Marine Biologist & Researcher

Selected papers

Prof. Alan Deidun PhD CSB MSB

Associate Professor, Department of Geosciences, University of Malta


Refereed papers in international peer-reviewed journals

1. Deidun, A; Azzopardi, M; Saliba, S.; Schembri, P.J., 2003. Low faunal diversity on Maltese sandy beaches: fact or artefact?, Estuarine, Coastal and Shelf Science 58S:83-92.

2. Deidun, A.; Mallia, A.; Mercieca, L.; Schembri, P.J., 2005. Rocky shore biotic assemblages of theMaltese Islands (List Central Mediterranean): A Conservation Perspective. Journal of Coastal Research 21 (1): 157-166.

3. Gauci, M.; DEIDUN, A; Schembri, P.J., 2005. Faunistic diversity of Maltese pocket sandy and shingle beaches: are these of conservation value?, Oceanologia 27 (2): 219-241.

4. Deidun, A.; Schembri, P.J. 2005. The composition of the nocturnal motile fauna from the upper infralittoral fringe of sandy beaches in the Central Mediterranean: are there any implications for conservation?, Biologia Marina Mediterranea 13(1): 355-363.

5. Tigano, C.; Canapa, A.; Ferrito, V.; Barucca, M.; Arcidiacono, I.; Deidun, A.; Schembri, P.J.; Olmo, E. 2006. A study of osteological and molecular differences in populations of Aphanius fasciatus Nardo 1827, from the central Mediterranean (Teleostei, Cyprinodontidae), Marine Biology 149: 1539-1550.

6. Deidun, A., Lanfranco, E., Mifsud, C., Stevens, D., Schembri, M., Curmi, L., Howson, C., Mercer, T., Sotheran, I. & Foster-Smith, R., 2007. Baseline ecological data collection from the marine area around Filfla (Malta, Central Mediterranean). Biologia Marina Mediterranean 14(2): 74-75.

7. Deidun, A., Schembri, P.J., 2008. Long or short beaches – does it make a difference to beach arthropod assemblages? Estuarine, Coastal and Shelf Science 79: 17- 23.

8. Deidun A., Schembri, P.J. 2008. Assessing inter-beach differences in semi-terrestrial arthropod assemblages on Maltese pocket sandy beaches (Central Mediterranean). Marine Ecology 29 Suppl. 1: 108-117.

9. Vella, P. & Deidun, A. (2008). First record of Selene dorsalis (Gill, 1862) (Osteichthyes: Carangidae) in the Mediterranean Sea, from coastal waters off the Maltese Islands. JMBA 2 (published online in November 2008).

10. Deidun, A; Saliba, S. & Schembri, P.J., 2009. Considerations on the ecological role of wrack accumulations on sandy beaches in the Maltese Islands and recommendations for their conservation management. Journal of Coastal Research SI 56 [Proceedings of the 10th International CoastalSymposium, Portugal]: 410-414.

11. Deidun, A., 2009. Biodiversity management considerations in the first designated marine SCI in the Maltese Islands. Biologia Marina Mediterranea 16(1): 107-110. 

12. Schembri, P.J., Deidun, A. & Vella, P., 2009. The first record of Cassiopea andromeda((Scyphozoa: Rhizostomeae: Cassiopeidae) from the central Mediterranean Sea. Journal of the Marine Biological Association of the UK 2 (3). doi:10.1017/S1755267209990625 

13. Deidun, A., 2010. Challenges to the conservation of biodiversity on small islands: the Maltese Islandsas a case study. International Journal of Arts and Sciences 3(8): 175-187.

14. Farrugia, R.N., Deidun, A., Debono, G., Mallia, E.A., 2009. The potential and constraints of wind farming development at nearshore sites in the Maltese Islands. Wind Engineering 34(1):51-64. 

15. Deidun, A., Tsounis, G., Balzan, F., Micallef, A. 2010. Record of the presence of Antipathes spp. in the Maltese Islands, and description of Corallium rubrum and Antipathes spp. fishing activities. Marine Biodiversity Records, Marine Biological Association of the United Kingdom, 2010. doi:10.1017/S1755267210000709; Vol. 3; e90; 2010 Published online: 6pp.

16. Deidun, A. Vella, P., Sciberras, A. Sammut, R., 2010. On the increasing occurrence of Lobotes surinamensis in Maltese coastal waters. Aquatic Invasions 5 (Supplement 1): S113-S116.

17. Deidun, A., Borg, S. Micallef, A., 2011. Making the case for Marine Spatial Planning in the MalteseIslands. Ocean Development and International Law 42:136–154.

18. Deidun, A., Galea Bonavia, F., Schembri, P.J. 2011. Distribution of Tylos spp. in the Maltese Islands and population dynamics of Tylos europaeus. Journal of Coastal Research SI64: 369-372.

19. Deidun, A., Arrigo, S., Piraino, S. 2011. The westernmost record of  Rhopilema nomadica (Galil, 1990) in the Mediterranean – off the Maltese Islands, Aquatic Invasions 6(1): SS99-S103.

20. DEIDUN, A., MARRONE, F., SPARACIO, I., ARCULEO, M., CURATOLO, T., SCIBERRAS, A., SCIBERRAS, J., LO BRUTTO, S. 2011. New morphological, morphometric and distribution data on Phaleria bimaculata(Linnaeus, 1767) (Coleoptera: Tenebrionidae) from the islands and archipelagos of theCentral Mediterranean area. Bulletin of Insectology 64(2): 215-222.

21. Deidun, A., Castriota, L., Arrigo, S. (2011) A tale of two Atlantic fish migrants: records of the lesser amberjack Seriola fasciata and of the African hind Cephalopholis taeniops from the Maltese Islands. Journal of the Black Sea/Mediterranean Environment 17(3): 223-233.

22. Cilia., D. & Deidun, A. (2012) Branching out: mapping the spatial expansion of the Lessepsian invader mytilid Brachidontes pharaonis (Fischer, 1870) around the Maltese Islands. Marine Biodiversity Records Volume 5 doi: 10.1017/S1755267212000152. Published Online on 04th April 2012.

23. Aaron Micallef, Timothy P. Le Bas, Veerle A.I. Huvenne, Philippe Blondel, Veit Huhnerbach, Alan Deidun. (2012) A multi-method approach for benthic habitat mapping of shallow coastal areas with high-resolution multibeam data. Continental Shelf Research doi:10.1016/j.csr.2012.03.008.

24. Pavesi, L., Deidun, A., De Matthaeis, E., Tiedemann, R., Ketmaier, V., 2012. Mitochondrial DNA and microsatellites reveal significant divergence in the beachflea Orchestia montagui (Talitridae: Amphipoda). Aquatic Science 74(3): 587-596 doi: 10.1007/s00027-012-0250-y

25. Deidun, A. & Vella, P. Marine ecological considerations of cruise liner facilities development at two sites in the Maltese Islands. Journal of Coastal Research Special Issue 61: 114-122.

26. Schembri, P.J., Deidun, A., Falzon, MA. (2012) One Siganus or two? On the occurrence of Siganus luridusand Siganus rivulatus in the Maltese Islands. Marine Biodiversity Records. Vol. 5; e71. doi:10.1017/S175526721200053X;

27. Azzopardi, J., Deidun, A. Gauci, A., Gianni, F., Angulo Pan, B., Cioffi, M. (2012) Classification of the coastal water bodies of the Maltese Islands through the assessment of decadal ocean colour data set. Journal of Coastal Research SI 65: 1343-1348.

28. Deidun A., Gauci, R., Schembri, J.A., Segina, E., Gauci, A., Gianni, F., Gutierrez, J.A., Sciberras, A., Sciberras, J. (2012) Comparative median grain size assessment through three different techniques for sandy beach deposits on the Maltese Islands (Central Mediterranean). Journal of Coastal Research SI 65: 1757-1761.

29. ALICE LODOLA, LORENZO NICOLINI, DARIO SAVINI, ALAN DEIDUN AND ANNA OCCHIPINTI-AMBROGI (2013) Range expansion and biometric features of Pinctada imbricata radiata (Bivalvia: Pteriidae) in Linosa island, Central Mediterranean Sea (Italy). Italian Journal of Zoology 2013: 1-10 doi:

30. Marrone, F., Deidun, A., Sparacio, I., Arculeo, M., Lo Brutto, S. (2013) Species identification of the psammophilous tenebrionid beetles Phaleria acuminata Ku¨ ster, 1852 and Phaleria bimaculata (Linnaeus, 1767) from central Mediterranean beaches: geometric morphometrics and molecular insights from species to population level. Zoomorphology DOI: 10.1007/s00435-013-0205-4


32. Mohamed Néjib Daly Yahia, Ons Kéfi-Daly Yahia, Sonia Khadija Maïte Gueroun, Mehdi Aissi, Alan Deidun, Veronica Fuentes and Stefano Piraino (2013). The invasive tropical scyphozoan Rhopilema nomadica Galil, 1990 reaches the Tunisian coast of the Mediterranean Sea. BioInvasions Records 2(4): 319-323. DOI:

33. Castriota, L. & Deidun, A. (2014). First record of Pontinus kuhlii in Maltese waters. Marine Biodiversity Records 7 (e2): 1-3. DOI: doi:10.1017/S1755267213001188

34. Giuseppe MONTESANTO, Alan DEIDUN, Antonio COSTA, Arnold SCIBERRAS, Jeffrey SCIBERRAS, & Bianca Maria LOMBARDO (2014). An investigation of the current distribution of two Tylos species (Isopoda: Oniscidea) in the central Mediterranean and the influence of beach sand grain-size parameters. Journal of Crustacean Biology 34(1): 47-53.

35. Deidun, A., Castriota, L., 2014. First record of Abudefduf cfr saxatilis Linnaeus, 1758 (Perciformes: Pomacentridae) from the Maltese Islands (Central Mediterranean). BioInvasions Records 3(1): 53-56.

37. Habiba Zmerli Triki , Ons Kéfi Daly-Yahia, Dhafer Malouche, Yosr Komiha, Alan Deidun, Mouldi Brahim, Mohamed laabir (2014) Distribution of resting cysts of the potentially toxic dinoflagellateAlexandrium pseudogonyaulax in recently-deposited sediment within Bizerte Lagoon (Mediterranean coast, Tunisia) Marine Pollution Bulletin 84: 172-181.

38. Wafa Boulajfene, Jihen Boukhicha, Alan Deidun, Daniela Berto, Teresa Romeo, Oum Kalthoum Ben Hassine, SabihaTlig-Zouari (in press). Biomonitoring of the environmental contamination by organotins in the Gulf of Tunis: Occurrence of imposex in Stramonita haemastoma (Linnaeus, 1767). Marine and Freshwater Research 66(9) 778-785

39. S. K. M. Gueroun, O. Kéfi-Daly Yahia, A. Deidun, V. Fuentes, S. Piraino & M. N. Daly Yahia (2014): First record and potential trophic impact of Phyllorhiza punctata (Cnidaria: Scyphozoa) along the north Tunisian coast (South Western Mediterranean Sea), Italian Journal of Zoology, DOI: 10.1080/11250003.2014.981306.

40. A. Deidun, F. Andaloro, G. Bavestrello, S. Canese, P. Consoli, A. Micallef, T. Romeo, M. Bo. (2014). First characterisation of a Leiopathes glaberrima forest in Maltese exploited fishing grounds. Italian Journal of Zoology. Released online 6th December 2014. DOI:

41. Gianguzza, P., Di Trapani, F., Bonaviri, C., Visconti, G., Deidun, A., Badalamenti, F. (2015). New body metrics to determine asteroid size and weight directly in the field. Thalassas 31(1): 73-82.

42. Lech Kotwicki, Alan Deidun, Katarzyna Grzelak, Fabrizio Gianni. (2014) A preliminary assessment of the meiofaunal communities on Maltese sandy beaches. Estuarine Coastal and Shelf Science 150: 111-119. DOI:

43. Schembri, P.J., Barbara, J., Deidun, A., Lanfranco, E., Lanfranco, S. (2015). It was only a matter of time: occurrence of Caulerpa taxifolia (Vahl) C. Agardh var. distichophylla (Sonder) Verlaque, Huisman and Procaccini in the Maltese Islands (Chlorophyta, Ulvophyceae, Caulerpaceae). Bioinvasions Records Volume 4.

44. E. Azzurro, J. Ben Souissi, W. Boughedir, L. Castriota, A. Deidun, M. Falauta, R. Ghanem, M. Zammit -Mangion, F. Andaloro (2015). THE SICILY STRAIT: A TRANSNATIONAL OBSERVATORY FOR MONITORING THE ADVANCE OF NON INDIGENOUS SPECIES. Biologia Marina Mediterranea 104-105.

45. Crise, A. et al. (2015) MSFD complementary approach for the assessment of pressures, knowledge and data gaps in Southern European Seas: The PERSEUS experience. Marine Pollution Bulletin 95(1): 28-39.

46. S. K. M. GUEROUN1, M. J. ACEVEDO, O. KÉFI-DALY YAHIA, A. DEIDUN, V. L. FUENTES, S. PIRAINO, & M. N. DALY YAHIA (2015). First records of Carybdea marsupialis proliferation (Cnidaria: Cubozoa) along the eastern Tunisian coast (Central Mediterranean). Italian Journal of Zoology 1-6.


47. Deidun, A.; Fenech-Farrugia, A., Castriota, L., Falautano, M., Azzurro, E., Andaloro, F. (2015). First record of the silver-cheeked toadfish Lagocephalus sceleratus (Gmelin, 1789) from Malta. BioInvasions Records 4(2): 139-142.


48. Foglini, F., Prampolini, M.C., Micallef, A., Angeletti, L., Vandelli, V., Deidun, A., Soldati, M., Taviani, M. (2015). Late Quaternary coastal landscape morphology and evolution of the Maltese Islands (Mediterranean Sea) reconstructed from high-resolution seafloor data. Geological Society London Special Publications 411. DOI:

49. Deidun, A., Watson, D., Castriota, L., Mazza, G., Pasolli, L. (2015). First record of the fangtooth moral eel Enchelycore anatina from Maltese waters (Central Mediterranean). Acta Ichthyologica et Piscatoria 45(3): 315-317.

50. Teresa Romeo; Michela D’Alessandro; Valentina Esposito; Gianfranco Scotti; Daniela Berto; Malgorzata Formalewicz; Seta Noventa; Silvia Giuliani; Simona Macchia; Davide Sartori; Angelo Mazzola; Franco Andaloro; Salvatore Giacobbe; Alan Deidun and Monia Renzi (2015) Environmental quality assessment of Grand Harbour (Valletta, Maltese Islands): a case study of a busy harbour in the Central Mediterranean Sea. Environ. Monit. Assess. : 187: 747. DOI: 10.1007/s10661-015-4950-3

51. Barbieri, M., Deidun, A., Maltagliati, F. and Castelli, A. (2015). A contribution to the phylogeography of Pinctada imbricata radiata (Leach, 1814) (Bivalvia, Pteriidae) from the Eastern Mediterranean Sea by means of the mitochondrial COI marker. Italian Journal of Zoology 2015: 1-8. DOI: 10.1080/11250003.2015.1106012

52. Crocetta F, Agius D, Balisteri P, Bariche M, Bayhan YK, Cakir M, Ciriaco S, Corsini-Foka M, Deidun A, El Zrelli R, Erguden D, Evans J, Ghelia M, Giavasi M, Kleitou P, Kondylatos G, Lipej L, Mifsud C, Ozvarol Y, Pagano A, Portelli P, Poursanidis D, Rabaoui L, Schembri PJ, Taskin E, Tiralongo F, Zenetos A (2015). New Mediterranean Biodiversity Records – December 2015. Mediterranean Marine Science 16(3): 682–702.

53. Deidun, A., Sciberras, A. (2016). A further record of the blue swimmer crab Portunus segnis Forskal, 1775 (Decapoda: Brachyura: Portunidae) from the Maltese Islands (Central Mediterranean). Bioinvasions Records 5(1): 43-46. DOI:

54. Farrugia, H., Deidun, A., Gauci, A., Drago, A. (2016). Defining the Trophic Status of Maltese (Central Mediterranean) Coastal Waters through the Computation of Water Quality Indices Based on Satellite Data. Journal of Coastal Research SI 75: 632-636.

55. Deidun, A., Gauci, A., Azzopardi, J., Cutajar, D., Bonnici, A., Drago, A. (2016). Which is the best predictor of sea temperature: satellite, model or data logger values? A case study from the Maltese Islands (Central Mediterranean). Journal of Coastal Research SI 75: 627-631.

56. Deidun, A., Bonnici, C. (2016). Yet another first for Malta……first record of the Arabian angelfish (Pomacanthus asfur) [Forsskal, 1775] from the Mediterranean In: Karachle et al. Marine Biodiversity Records – March 2016 (Collective Article). Mediterranean Marine Science 17(1): 230-252.

57. Alan Deidun, Stephen Attard, Melchiore Camilleri, Joe Vella Gaffiero, Diana Hampson, Alicia Said, Ernesto Azzurro and Menachem Goren (2016). The first record of the Sargocentron genus from the Maltese Islands (Central Mediterranean) - who will unravel the current conundrum? Bionvasions Records 5 (2): 123-126.

58. Gauci, A., Deidun, A., Abela, J. and Adami, K.Z., 2016. Machine Learning for benthic sand and maerl classification and coverage estimation in coastal areas around the Maltese Islands. Journal of Applied Research and Technology 14: 338-344.

59. Azzurro, E., Castriota, L., Falautano, M., Bariche, M., Broglio, E. and Andaloro, F., 2016. New records of the silver-cheeked toadfish Lagocephalus sceleratus (Gmelin, 1789) in the Tyrrhenian and Ionian Seas: early detection and participatory monitoring in practice. Management of Biological Invasions 7(4): 313-319.

60. Bosch-Belmar, M., Azzurro, E., Pulis, K., Milisenda, G., Fuentes, V., Yahia, O.K.D., Micallef, A., Deidun, A. and Piraino, S., 2017. Jellyfish blooms perception in Mediterranean finfish aquaculture. Marine Policy, 76, pp.1-7.

Refereed works in regional and local journals

60. Deidun, A; Arcidiacono, I; Schembri, P.J., 2002. Present distribution of the threatened Killifish Aphanius fasciatus (Actinopterygii, Cyprinodontidae) in the Maltese Islands. Central Mediterranean Naturalist 3(4): 177-180.

61. Deidun, A.; Schembri, P.J., 2005. A report of nesting on a Maltese beach by the loggerhead turtle Caretta caretta (Linnaeus, 1758) (Reptilia: Cheloniidae), The Central Mediterranean Naturalist Volume 4 (Part 2): 137-138.

62. Deidun, A. 2007. Notes on the ecological importance of the beach macrofaunal assemblages at Xatt L-Ahmar, Gozo. The Central Mediterranean Naturalist Volume 4 (Part 3): 191-194.

63. Sciberras, A. Sciberras, J. Deidun, A. 2008. The complete contents of The Central Mediterranean Naturalist, Potamon and The Maltese Naturalist, three natural history periodicals published in theMaltese Islands (Central Mediterranean) from 1970 to date. The Central Mediterranean Naturalist 4 (Part 4): 289-310.

64. Deidun, A. 2009. Beaches – more than just sand and fun. The Biologist 56(2): 92- 97.

65. Deidun, A. 2009. Lack of comprehensive census data hampers conservation and management ofCorallium rubrum colonies. International Workshop – Red Coral Science, Management and Trading: Lessons from the Mediterranean, Naples, Italy. Abstract Booklet.

66. Deidun, A., 2010. Notes on the recent occurrence of uncommon pelagic “jellyfish” species in Maltese coastal waters. Naturalista Siciliano S. IV, XXXIV (3-4): 375-284.

67. Zammit-Mangion, M. & Deidun, A., 2010. Management recommendation for the conservation of threatened Aphanius fasciatus Nardo populations from two wetlands in the Maltese Islands. Biologia Marina Mediterranea 17(1): 356-357.

68. Drago A., Deidun A., Galea Degiovanni M. and Said A. (2010) IOI-KIDS –Targeting awareness on the sea with the younger generations. Current - The Journal of Marine Education 26(3): 35-40.

69. Deidun, A., Germana, A. (2011). On the increasing occurrence of the Bluespotted Cornetfish Fistularia commersonii (Rüppel, 1838) (Osteichthyes, Fistulariidae) in the Central Mediterranean. Biodiversity Journal 2(1): 19-26. 

70. Deidun, A. (2011) A collection of recent ctenophore sightings from Maltese waters. Journal of the Black Sea/Mediterranean Environment 17(1): 4-13.

71. Deidun, A., 2011. A miniature ocean: The toll of climate change in the Med. The Biologist 58(2): 37-40.

72. Deidun, A. Galea Bonavia, F., Schembri, P.J. (2011) Quantitative assessment and physical characterisation of Posidonia oceanica wrack beached along the Maltese coastline. Biologia Marina Mediterranea 18(1): 307-308.

73. Alan Deidun, Fabrizio Gianni, David P Cilia, Alice Lodola, Dario Savini (2013) Morphometric analyses of a Pinctada radiata (Leach, 1814) (Bivalvia: Pteriidae) population in the Maltese Islands. Journal of the Black Sea/Mediterranean Environment 20(1): 1-12.

74. E. Azzurro, J. Ben Souissi, W. Boughedir, L. Castriota, A. Deidun,  M. Falautano, R. Ghanem, M. Zammit-Mangion, F. Andaloro (2014). THE SICILY STRAIT: A TRANSNATIONAL OBSERVATORY FOR MONITORING THE ADVANCE OF NON INDIGENOUS SPECIES. Proceedings of the 45th Annual Congress of the Societa italiana di biologia marina (sibm), venice, italy, 19-23rd may 2014: 80.

75. Alan Deidun, Luca Castriota , Manuela Falautano , Giuseppe Maraventano, Elena Prazzi, Franco Andaloro (2015) Documenting the occurrence of the Lessepsian fish Stephanolepis diaspros within the Strait of Sicily, central Mediterranean. Journal of the Black Sea/Mediterranean Environment 21(1): 1-11.

76. Deidun, A., Watson, D., Castriota, L., Mazza, G., Pasolli, L. (2015). First record of the fangtooth moral eel Enchelycore anatina from Maltese waters (Central Mediterranean). Acta Ichthyologica et Piscatoria 45(3): 315-317.

Refereed papers and abstracts in conference proceedings and newsletters

77. Deidun, A.; Mallia, A.; Schembri, P.J., 2003. Environmental Issues and the Rehabilitation of the Sand Dune Habitat White Tower Bay, Malta (Central Mediterranean), Proceedings of the Sixth International Conference on the Mediterranean Coastal Environment MEDCOAST 03, E. Ozhan (Editor), 7-11 October 2003, Ravenna, Italy :1479:1491

78. Borg, J.; Deidun, A.; Schembri, P.J., 2004. Population ecology of Phaleria acuminata (Coleoptera: Tenebrionidae) from sandy beaches in the Maltese Islands, Rapp. Comm. Int. Mer Medit 37: 496.

79. Deidun, A.; Schembri, P.J. 2004. Is faunal diversity on Maltese sandy beaches related to intensity of human use?, ‘Proceedings of the First International Conference on the Management of Costal Recreational Resources – Beaches, Yacht Marinas and Coastal Ecotourism’ (Micallef & Vassallo eds), 20-23 October 2004, Malta: 23-28.

80. Muscat, G., Deidun, A. & Schembri, P.J. (2007) Fouling assemblages from two Maltese ports studied as part of the PORTAL project. Proceedings of the CIESM 38th Congress, Istanbul: 548

81. Deidun, A., Saliba, S. & Schembri, P.J. (2007) Banquette faunal assemblages from groomed and ungroomed beaches in the Maltese Islands. Proceedings of the CIESM 38th Congress, Istanbul: 456

82. Schembri, P.J., Borg, J., Deidun, A., Knittweis, L. & Mellado Lopez, T. (2007) Is the endemic Maltese top-shell Gibbula nivosa extinct? Proceedings of the CIESM 38th Congress, Istanbul: 592.

83. Deidun, A. (2008) Quantifying the vulnerability of beach macrofaunal communities – a proposed new vulnerability index. Proceedings of the 39th SIBM Congress, Cesenatico, Italy, June 2009.

84. Deidun, A. 2008. Dispelling the ‘ecological desert’ perception of sandy beaches. MARBEF Newsletter 8: 30-32.

85. Farrugia, R.N., Deidun, A., Debono, G., Mallia, E.A., 2009. The potential and constraints of wind farm development at nearshore sites in the Maltese Islands. Proceedings of European Seminar OWEMES – Offshore Wind and other Marine Renewable Energies in Mediterranean and European Seas. Brindisi,Italy, 21-23 May 2009.

86. Deidun, A., Galea Bonavia, F. & Schembri, P.J. (2010) Distribution of Tylos spp. on Maltese sandy beaches and observations on Tylos europaeus. Proceedings of the 39th CIESM Congress, Venice, Italy. 39:738.

87. Deidun, A., Pawley, A. & Schembri, P.J. (2010) Distribution and biology of two sympatric Phaleria(Coleoptera: Tenebrionidae) species on Maltese sandy beaches. Proceedings of the 39th CIESM Congress, Venice, Italy: 39:737

88. Deidun, A. & Drago, A. (2010). An innovative, citizen science-based jellyfish spotting campaign from the Maltese Islands - the Spot the Jellyfish campaign. FAO/GFCM - Report of the 11th meeting of the sub-committee on marine environment and ecosystems (SCMEE). Saint George’s Bay Malta, 29 November-2 December 2010.

89. Deidun, A., Chessa, L., Gambin, T. (2011). Protecting what we know: The need for mapping of soft-coral habitats for MPA design in Malta. Proceedings of the World Congress on Marine Biodiversity.Aberdeen, Scotland, 26-30th September 2011.

90. Fuentes, V., Deidun, A., Atienza, D., Drago, A. (2011). Documenting jellyfish diversity through citizen science initiatives in Spain and Malta. Proceedings of the World Congress on Marine Biodiversity.Aberdeen, Scotland, 26-30th September 2011.

91. Zammit-Mangion, M., Deidun, A., Vassallo-Agius, R., Magri, M., 2011. Management recommendations on the highly threatened killifish Aphanius fasciatus population at Il-Maghluq, Marsascala, Malta. MEDCOAST 2011 Proceedings. 25-29 October 2011, Rhodes, Greece.

92.  Deidun, A., Drago, A., Galea, A., Azzopardi, J., Gauci, A., Melin, F., 2011. Testing the consistency between MODIS ocean colour data and in situ chlorophyll-a measurements within coastal waters of the Maltese Islands. Proceedings of the SPIE Remote Sensing Europe Congress, Prague, 19-22 September 2011.  Volume 8175: 81750J1 – 81750J8.

93. Deidun, A., Romeo, T., Environmental impact assessment considerations on a proposed offshore wind farm in the Maltese Islands (Central Mediterranean). Proceedings of the SIBM 42nd annual congress, June 2012. 

94. Andrea Cucco, Georg Umgiesser, Alan Deidun, Raisa Tarasova, Joel Azzopardi, Adam Gauci.(2013) Development of a novel tool to predict different water quality scenarios within a Marine Protected Area (MPA) in the Maltese Islands: the 2D SHYFEM-BFM model. Proceedings of the 40th CIESM Congress, Marseilles, France: 154.

95. Michele Barbieri, Alan Deidun, Ferruccio Maltagliati, Argyro Zenetos, Sabiha Tlig-Zouari, Gianni Fabrizio, David P Cilia, Alberto Castelli. (2013) First data on genetic diversity of the small pearl oysterPinctada radiata (Leach, 1814) in Mediterranean populations by means of the mitochondrial COX1marker. Proceedings of the 40th CIESM Congress, Marseilles, France: 711.

96. Adam Gauci, Aldo Drago, Joel Azzopardi, Alan Deidun, Alana Bonnici. Oil spill assessment on the Maltese coastal areas. Proceedings of the 40th CIESM Congress, Marseilles, France: 145.

97. Stefano Piraino, Veronica Fuentes, Alan Deidun, Nejib Daly Yahia, Ons Kefi Daly YahiaMED-JELLYRISK 2013-2015: Integrated monitoring of jellyfish outbreaks under anthropogenic and climatic impacts in the Mediterranean Sea (coastal zones): trophic and socio-economic risks. Proceedings of the Fourth International Jellyfish Bloom Symposium (4th IJBS), Hiroshima, Japan: 5-7th June, 2013.

98. Deidun, A. (2014). Land reclamation out at sea on a small Mediterranean archipelago (Maltese Islands)....a white elephant or an opportunity worth considering? Proceedings of the 1st International Congress on Green Infrastructure and Sustainable Societies / Cities (GreInSus), Izmir, Turkey, 8th-10thMay 2014: 136.

99. Gauci, A., Deidun, A. (2014). Image Classification For Maerl And Sandy Seabed Percentage Coverage Estimation. Proceedings of the 1st International Congress on Green Infrastructure and Sustainable Societies / Cities (GreInSus), Izmir, Turkey, 8th-10th May 2014: 135.

100. Deidun, A. (2014). The major outcomes of the PERSEUS and BIODIVALUE projects. Proceedings of the MED-JELLYRISK Conference and Training Seminar, St. Julian’s, Malta, 20th-21st May 2014: 10.

101. Deidun, A., Drago, A., Cutajar, D., Gauci, A., Galea Degiovanni, M. (2014) Jellyfish spotting citizen science campaign in Malta – Spot the Jellyfish. Proceedings of the MED-JELLYRISK Conference and Training Seminar, St. Julian’s, Malta, 20th-21st May 2014: 18.

102. Cucco, A., Umgiesser, G., Drago, A., Cutajar, D., Gauci, A., Azzopardi, J., Deidun, A. (2014). Modelling to the rescue II: can we predict the dispersal path of a jellyfish bloom? Proceedings of the MED-JELLYRISK Conference and Training Seminar, St. Julian’s, Malta, 20th-21st May 2014: 27

103. Micallef, L., Deidun, A., Cutakar, D., Gauci, A. (2014). The development of the MED-JELLY smart phone application in the Maltese Islands. Proceedings of the MED-JELLYRISK Conference and Training Seminar, St. Julian’s, Malta, 20th-21st May 2014: 29

104. Pulis, K., Micallef, A., Deidun, A. (2014). The impact of jellyfish blooms on the Maltese aquaculture industry. Proceedings of the MED-JELLYRISK Conference and Training Seminar, St. Julian’s, Malta, 20th-21st May 2014: 35

105. Tanti, G., Deidun, A. (2014). The socio-economic assessment of the impact of jellyfish blooms in the Maltese Islands. Proceedings of the MED-JELLYRISK Conference and Training Seminar, St. Julian’s, Malta, 20th-21st May 2014: 37

106. Deidun, A. (2014). Applications of hydrodynamic models for modeling drifting jellyfish blooms around the Maltese Islands. Proceedings of the MED-JELLYRISK Conference on Jellyfish Proliferation and Mitigation, St. Julian’s, Malta, 23rd May 2014: 6.

107. T. Romeo, M. D’Alessandro, S. Giuliani, A. Deidun, A. Mazzola, P. Consoli, A. Martino, V. Esposito, P Vivona, S. Macchia, D. Sartori, G. Valastro, F. Andaloro (2014). Assessing shipping-mediated impacts and environmental quality within the Grand Harbour, Valletta (Maltese Islands, Central Mediterranean). Proceedings of the Society of Environmental Toxicology and Chemistry North America 35th Annual Meeting; Sea to Sky: Interconnecting Ecosystems Vancouver, British Columbia, 9–13 November 2014: 383.

108. Deidun, A., Drago, A., Behnam, A., Virapat, C., Vassallo, A. (2014). Setting up and ocean literacy hub in the southern Mediterranean. Proceedings of the 2nd EMSEA (European Marine Science Educators Association) Conference, Gothenburg, Sweden, 1-3rd October 2014: 24.

109. Deidun, A., Galea, C., De Castro, D., Papathanassiou, M., Streftaris, N., Papathanassiou, E. (2015). Establishing a multi-stakeholder [email protected] Consortium in Malta. Proceedings of the 3rd EMSEA Conference, Heraklion, Crete 28th September-1st October 2015: pg 24.

110. Borg, S., Deidun, A. (2015). Enhancing Cross Border Conservation: An Implementation Agreement under the 1982 Convention on the Law of the Sea (UNCLOS) for the Conservation of Sedentary Species on the Continental Shelf and the Deep Sea Bed. Proceedings of the AESS 2015 Conference ‘Confronting Frontiers, Borders and Boundaries’, San Diego, US: 24th-27th June 2015.

111. A. Deidun , F. Andaloro , C. Berti , P. Consoli , M. D'Alessandro , V. Esposito , G. Scotti , G. Galofaro , T. Romeo and K. Agius (2016). ASSESSING THE POTENTIAL OF SUEZ CANAL SHIPPING TRAFFIC AS AN INVASION PATHWAY FOR NON-INDIGENOUS SPECIES IN CENTRAL MEDITERRANEAN HARBOURS Rapp. Comm. int. Mer Médit., 41, 2016 pg. 429.


112. K. Pulis, A. Deidun , L. Prieto , V. Fuentes , M. Aceveda , F. Lia and M. Zammit-Mangion (2016). POPULATION, ECOLOGY AND GENETIC CHARACTERISTICS OF THE MEDITERRANNEAN BOX JELLYFISH CARYBDEA MARSUPIALIS IN THE ISLAND OF MALTA Rapp. Comm. int. Mer Médit., 41, 2016 pg. 444.

113. Karl Agius, Nadia Theuma and Alan Deidun (2016).THE POTENTIAL OF COASTAL ECOTOURISM IN CENTRAL MEDITERRANEAN ISLANDS: A CASE STUDY FROM THE AEGADIAN ARCHIPELAGO. Rapp. Comm. int. Mer Médit., 41, 2016 pg. 510.


The undersigned has acted as editor-in-chief of the local peer-reviewed natural history journal The Central Mediterranean Naturalist since during the 2007-2011 period.

Co-authorship of books

Camilleri, A., Falzon, A., Deidun, A. (2003). Malta, Gozo & Comino Off the Beaten Track. A Nature Trust (Malta) and MTA publication, Malta: 176pp.

Chapters in books

Deidun, A. (2010). Environmental politics and public participation: green parties in coalition governments and NGO’s In: Lagana, L. & Scerri, L. (eds.) Systems of Knowledge – a multidisciplinary approach, 2nd edition. Media Centre Publications, Malta: 192-196.

Deidun, A. (2010). Local environmental legislation: the Structure Plan, Local Plans, Public Access and Right of Passage. In: Lagana, L. & Scerri, L. (eds.) Systems of Knowledge – a multidisciplinary approach, 2nd edition. Media Centre Publications, Malta: 197-201.

Deidun, A. (2009). Considerations on the marine dimension of the Maltese Islands. In: Schiavone, M.J. & Callus, L. (eds) Inservi – Hidma Politika 1969-2009. Gabra ta’ kitbiet f’gieh Eddie Fenech Adami. PIN Publications, Pieta: 259-272.

Balzan, F. & Deidun, A. (2010). Notes for a history of coral fishing and coral artefacts in Malta. In: Grima, J.N. (ed.). Malta Historical Society 60th anniversary publication, Veritas Press, Zabbar, Malta: 435-454.

 Popular articles 

Over 500 popular science articles within the following periodicals and newspapers:

-         Archipelago (publication by Nature Trust Malta)

-         Vigilo

-         Think magazine

-         Outlook Newsletter (MEPA)

-         The Sunday Times of Malta

-         The Times of Malta

-         The Sunday Circle

-         Bizilla Magazine (AirMalta onboard magazine)

-         AZURE

-        On Parade

-         Spinnaker Magazine 

-         The Malta Independent on Sunday

-         MaltaToday


11. Deidun, A. (2009). Biodiversity management considerations in the first designated marine SCI in theMaltese Islands. Biologia Marina Mediterranea 16(1): 107-110.
11. Deidun, A. (2009). Biodiversity management considerations in the first designated marine SCI in theMaltese Islands. Biologia Marina Mediterranea 16(1): 107-110.

Newspaper articles

Book chapters

Book chapter 1

Book chapter 2