Supplementary material 1 from: Koumpaki E, Maidanou M, Chatzigeorgiou G, Rallis I, Mavraki D, Dounas C, Arvanitidis C, Koulouri P (2025) Macrobenthic communities of the continental shelf of Heraklion Bay (Crete, Greece): bathymetric distribution and temporal trends. Biodiversity Data Journal 13: e174931. https://doi.org/10.3897/BDJ.13.e174931

Table 1. Macrobenthic species identified in the samples collected in June 2010 from stations located at depths between 10 and 200 m. The values of their average densities from the three replicate samples, are expressed in individuals per square meter (ind./m²). Species 10 m 20 m 30 m 40 m 50 m 100 m 200 m Bivalvia Abra alba (W. Wood, 1802) 3.33 3.33 Abra prismatica (Montagu, 1808) 10.00 Azorinus chamasolen (da Costa, 1778) 20.00 3.33 Cuspidaria cuspidata (Olivi, 1792) 3.33 Donax trunculus Linnaeus, 1758 3.33 Fabulina fabula (Gmelin, 1791) 46.67 Loripes orbiculatus Poli, 1795 83.33 30.00 Loripinus fragilis (Philippi, 1836) 63.33 530.00 13.33 3.33 Lucinella divaricata (Linnaeus, 1758) 16.67 213.33 13.33 Moerella donacina (Linnaeus, 1758) 100.00 6.67 Moerella pulchella (Lamarck, 1818) 13.33 Myrtea spinifera (Montagu, 1803) 3.33 3.33 3.33 Nucula mariae Nolf, 2005 3.33 23.33 13.33 6.67 Nucula nitidosa Winckworth, 1930 3.33 Pitar rudis (Poli, 1795) 3.33 Saccella commutata (Philippi, 1844) 3.33 Thyasira flexuosa (Montagu, 1803) 180.00 30.00 16.67 3.33 Varicorbula gibba (Olivi, 1792) 3.33 3.33 10.00 Gastropoda Ascobulla fragilis (Jeffreys, 1856) 36.67 Neverita josephinia Risso, 1826 3.33 Philine aperta (Linnaeus, 1767) 3.33 Malacostraca Amphipoda Apherusa bispinosa (Spence Bate, 1857) 10.00 3.33 10.00 Caprella acanthifera Leach, 1814 10.00 Ericthonius punctatus (Spence Bate, 1857) 3.33 10.00 Hippolyte inermis Leach, 1816 3.33 Hippolyte leptocerus (Heller, 1863) 3.33 Iphimedia minuta G.O. Sars, 1883 3.33 Iphimedia obesa Rathke, 1843 22.00 Leucothoe incisa Robertson, 1892 10.00 6.67 Nototropis guttatus (A. Costa in Hope, 1851) 10.00 3.33 Perioculodes longimanus (Spence Bate & Westwood, 1868) 10.00 3.33 Phtisica marina Slabber, 1769 20.00 3.33 10.00 3.33 Pseudolirius kroyeri (Haller, 1879) 3.33 3.33 Synchelidium haplocheles (Grube, 1864) 3.33 Tryphosa nana (Krøyer, 1846) 3.33 Westwoodilla rectirostris (Della Valle, 1893) 3.33 Cumacea Iphinoe rhodaniensis Ledoyer, 1965 3.33 3.33 Decapoda Alpheus glaber (Olivi, 1792) 3.33 Athanas nitescens (Leach, 1814) 3.33 Callianassa subterranea (Montagu, 1808) 6.67 Cestopagurus timidus (Roux, 1830) 3.33 Eualus cranchii (Leach, 1817) 3.33 Gourretia denticulata (Lutze, 1937) 13.33 3.33 10.00 Pagurus bernhardus (Linnaeus, 1758) 3.33 Pagurus cuanensis Bell, 1845 10.00 Pagurus prideaux Leach, 1815 6.67 Philocheras trispinosus (Hailstone in Hailstone & Westwood, 1835) 6.67 Polybius maculatus (Risso, 1827) 3.33 Processa macrophthalma Nouvel & Holthuis, 1957 3.33 16.67 Upogebia deltaura (Leach, 1816) 3.33 Mysida Haplostylus lobatus (Nouvel, 1951) 3.33 3.33 3.33 3.33 Polychaeta Abyssoninoe bidentata D'Alessandro, Cosentino, Giacobbe, Andaloro & Romeo, 2014 3.33 Ampharete acutifrons (Grube, 1860) 3.33 Aonides oxycephala (Sars, 1862) 70.00 53.33 20.00 13.33 Aphelochaeta marioni (Saint-Joseph, 1894) 26.67 Aponuphis brementi (Fauvel, 1916) 10.00 13.33 20.00 16.67 3.33 Aricidea (Acmira) simonae Laubier & Ramos, 1974 3.33 Capitella capitata (Fabricius, 1780) 10.00 Capitella minima Langerhans, 1880 60.00 13.33 6.67 Chaetozone sp. 3.33 3.33 3.33 6.67 Chaetozone zetlandica McIntosh, 1911 13.33 23.33 6.67 3.33 Cirrophorus branchiatus Ehlers, 1908 56.67 26.67 3.33 3.33 3.33 Composetia costae (Grube, 1840) 6.67 Dialychone acustica Claparède, 1868 3.33 Dialychone dunerificta (Tovar-Hernández, Licciano, Giangrande, 2007) 3.33 10.00 Dialychone usticensis (Giangrande, Licciano & Castriota, 2006) 3.33 Diplocirrus capensis Day, 1961 10.00 Drilonereis filum (Claparède, 1868) 3.33 10.00 13.33 Euarche tubifex Ehlers, 1887 3.33 Euclymene lombricoides (Quatrefages, 1866) 6.67 Euclymene oerstedii (Claparède, 1863) 6.67 36.67 3.33 Euclymene palermitana (Grube, 1840) 3.33 Eunicidae sp.1 6.67 10.00 3.33 Fimbriosthenelais minor (Pruvot & Racovitza, 1895) 6.67 Glycera alba (O.F. Müller, 1776) 6.67 Glycera fallax Quatrefages, 1850 10.00 3.33 10.00 6.67 Glycera sp.1 3.33 Glycera unicornis Lamarck, 1818 3.33 3.33 Goniadidae sp. 3.33 Harmothoe antilopes McIntosh, 1876 3.33 Harmothoe sp. 3.33 Hesionides sp. 3.33 Heteromastus filiformis (Claparède, 1864) 6.67 Kirkegaardia heterochaeta (Laubier, 1961) 6.67 36.67 10.00 6.67 20.00 3.33 Leiochone leiopygos (Grube, 1860) 23.33 16.67 3.33 6.67 6.67 Lumbrineris latreilli Audouin & Milne Edwards, 1833 23.33 6.67 10.00 3.33 3.33 Lysidice unicornis (Grube, 1840) 13.33 13.33 6.67 Lysilla loveni Malmgren, 1866 3.33 Macroclymene santanderensis (Rioja, 1917) 23.33 Magelona filiformis Wilson, 1959 6.67 3.33 Maldane sp. 3.33 Mediomastus capensis Day, 1961 10.00 6.67 6.67 6.67 Mediomastus fragilis Rasmussen, 1973 3.33 20.00 3.33 23.33 3.33 Melinna cristata (M. Sars, 1851) 6.67 3.33 3.33 Metasychis gotoi (Izuka, 1902) 3.33 Micronephthys longicornis (Perejaslavtseva, 1891) 33.33 43.33 6.67 Microspio mecznikowiana (Claparède, 1869) 20.00 Mysta siphodonta (Delle Chiaje, 1830) 3.33 Nephtys hombergii Savigny in Lamarck, 1818 10.00 3.33 Nephtys kersivalensis McIntosh, 1908 3.33 6.67 Nephtys longosetosa Örsted, 1842 6.67 Nepthys sp.1 3.33 Nereis lamellosa Ehlers, 1868 3.33 Notomastus formianus Eisig, 1887 40.00 3.33 Notomastus latericeus Sars, 1851 3.33 Onuphis pancerii Claparède, 1868 10.00 6.67 3.33 Palola siciliensis (Grube, 1840) 3.33 Paralacydonia paradoxa Fauvel, 1913 3.33 6.67 Paraonidae sp. 3.33 3.33 3.33 Paraonides myriamae Katzmann & Laubier, 1975 36.67 20.00 Paucibranchia bellii (Audouin & Milne Edwards, 1833) 3.33 6.67 Petaloproctus terricolus Quatrefages, 1866 3.33 3.33 Pilargis verrucosa Saint-Joseph, 1899 3.33 Pista cristata (Müller, 1776) 10.00 10.00 Platynereis coccinea (Delle Chiaje, 1822) 3.33 Poecilochaetus serpens Allen, 1904 3.33 Polycirrus idex Lavesque, Hutchings, Daffe & Londoño-Mesa, 2020 3.33 Polynoidae sp.1 3.33 Praxillella affinis (M. Sars in G.O. Sars, 1872) 3.33 Praxillella gracilis (M. Sars, 1861) 16.67 3.33 Pseudoleiocapitella fauveli Harmelin, 1964 6.67 20.00 13.33 3.33 Rhodine loveni Malmgren, 1865 6.67 3.33 6.67 13.33 Schistomeringos neglecta (Fauvel, 1923) 3.33 Scolelepis (Scolelepis) squamata (O.F. Muller, 1806) 3.33 Scoloplos armiger (Müller, 1776) 173.33 Sigalion mathildae Audouin & Milne Edwards, 1832 3.33 Sigalion squamosus Delle Chiaje, 1830 13.33 3.33 Spionidae sp. 1 3.33 Spionidae sp. 2 10.00 Streblosoma bairdi (Malmgren, 1866) 6.67 3.33 Streblospio shrubsolii (Buchanan, 1890) 43.33 3.33 Syllis garciai (Campoy, 1982) 3.33 Syllis parapari San Martín & López, 2000 3.33 Vermiliopsis sp. 3.33 Scaphopoda Antalis dentalis (Linnaeus, 1758) 3.33 Fustiaria rubescens (Deshayes, 1825) 10.00 Table 2. Macrobenthic species identified in the samples collected in June 2015 from stations located at depths between 10 and 200 m. The values of their average densities from the three replicate samples, are expressed in individuals per square meter (ind./m²). Species 10 m 20 m 30 m 40 m 50 m 100 m 200 m Bivalvia Abra alba (W. Wood, 1802) 6.67 3.33 Abra prismatica (Montagu, 1808) 3.33 Azorinus chamasolen (da Costa, 1778) 6.67 Chamelea striatula (da Costa, 1778) 6.67 Donax trunculus Linnaeus, 1758 3.33 Dosinia lupinus (Linnaeus, 1758) 6.67 Ensis ensis (Linnaeus, 1758) 3.33 Fabulina fabula (Gmelin, 1791) 33.33 Glans trapezia (Linnaeus, 1767) 3.33 Gouldia minima (Montagu, 1803) 3.33 Loripes orbiculatus Poli, 1795 146.67 Loripinus fragilis (R. A. Philippi, 1836) 13.33 10.00 Lucinella divaricata (Linnaeus, 1758) 46.67 10.00 Moerella pulchella (Lamarck, 1818) 10.00 23.33 6.67 Myrtea spinifera (Montagu, 1803) 3.33 Nucula mariae Nolf, 2005 6.67 Nucula nitidosa Winckworth, 1930 3.33 10.00 Papillicardium minimum (R. A. Philippi, 1836) 3.33 Parvicardium pinnulatum (Conrad, 1831) 3.33 Pitar rudis (Poli, 1795) 6.67 Pronucula tenuis A. W. B. Powell, 1927 3.33 3.33 Saccella commutata (R. A. Philippi, 1844) 3.33 6.67 3.33 6.67 Thracia phaseolina (Lamarck, 1818) 3.33 3.33 Thyasira flexuosa (Montagu, 1803) 26.67 3.33 Malacostraca Amphipoda Ampelisca sp. 1 46.67 33.33 6.67 Bathyporeia sp. 6.67 Iphimedia obesa Rathke, 1843 6.67 Leucothoe sp. 3.33 Microdeutopus sp. 3.33 Perioculodes longimanus (Spence Bate & Westwood, 1868) 6.67 Westwoodilla sp. 3.33 Cumacea Iphinoe serrata Norman, 1867 16.67 20.00 Decapoda Anapagurus bicorniger A. Milne-Edwards & Bouvier, 1892 3.33 3.33 Dardanus arrosor (Herbst, 1796) 3.33 Diogenes pugilator (Roux, 1829) 3.33 Ebalia deshayesi Lucas, 1846 3.33 Ethusa mascarone (Herbst, 1785) 3.33 Galathea intermedia Lilljeborg, 1851 6.67 Gourretia denticulata (Lutze, 1937) 120.00 13.33 3.33 Pagurus anachoretus Risso, 1827 6.67 Pagurus bernhardus (Linnaeus, 1758) 3.33 Pagurus cuanensis Bell, 1845 3.33 Pagurus sp.1 6.67 Philocheras monacanthus (Holthuis, 1961) 3.33 Processa macrophthalma Nouvel & Holthuis, 1957 3.33 3.33 3.33 3.33 Tanaidacea Leptochelia sp. 3.33 Polychaeta Abyssoninoe bidentata D'Alessandro, Cosentino, Giacobbe, Andaloro & Romeo, 2014 10.00 56.67 33.33 30.00 3.33 Ampharete acutifrons (Grube, 1860) 3.33 Amphicorina armandi (Claparède, 1864) 6.67 3.33 Aonides oxycephala (Sars, 1862) 40.00 6.67 23.33 13.33 Aphelochaeta marioni (Saint-Joseph, 1894) 53.33 83.33 63.33 123.33 20.00 Aponuphis brementi (Fauvel, 1916) 3.33 30.00 60.00 63.33 23.33 Aricidea (Acmira) simonae Laubier & Ramos, 1974 6.67 16.67 10.00 Armandia cirrhosa Filippi, 1861 3.33 Axiothella constricta (Claparède, 1868) 3.33 3.33 Capitella capitata (Fabricius, 1780) 20.00 36.67 23.33 13.33 Capitella minima Langerhans, 1880 6.67 3.33 Capitella sp. 1 3.33 Capitella sp. 2 3.33 Capitellidae sp. 1 6.67 6.67 Capitellidae sp. 2 3.33 Caulleriella cabbsi Pocklington & Coates, 2010 6.67 3.33 Ceratonereis (Composetia) vittata Langerhans, 1884 3.33 Chaetozone sp. 6.67 13.33 20.00 Chaetozone zetlandica McIntosh, 1911 6.67 30.00 23.33 20.00 Cirrophorus branchiatus Ehlers, 1908 46.67 26.67 26.67 16.67 6.67 13.33 Cirrophorus furcatus (Hartman, 1957) 6.67 Cossura soyeri Laubier, 1964 3.33 20.00 40.00 10.00 Dialychone acustica Claparède, 1868 3.33 Dialychone dunerificta (Tovar-Hernández, Licciano, Giangrande, 2007) 10.00 3.33 Diplocirrus sp. 3.33 Ditrupa arietina (O. F. Müller, 1776) 10.00 10.00 Drilonereis filum (Claparède, 1868) 13.33 43.33 26.67 6.67 Euclymene oerstedii (Claparède, 1863) 6.67 36.67 50.00 3.33 Euclymene palermitana (Grube, 1840) 3.33 Eunicidae sp.2 13.33 3.33 Glycera alba (O.F. Müller, 1776) 20.00 13.33 10.00 3.33 10.00 6.67 Glycera fallax Quatrefages, 1850 6.67 10.00 10.00 6.67 Glycera sp.2 3.33 Glycera unicornis Lamarck, 1818 13.33 3.33 6.67 3.33 Glyceridae sp.1 3.33 3.33 Goniada maculata Örsted, 1843 10.00 6.67 Harmothoe antilopes McIntosh, 1876 3.33 Heteromastus filiformis (Claparède, 1864) 3.33 3.33 Kirkegaardia heterochaeta (Laubier, 1961) 6.67 3.33 136.67 63.33 123.33 3.33 Laonice sp. 6.67 6.67 3.33 Leiocapitella dollfusi (Fauvel, 1936) 3.33 Leiochone leiopygos (Grube, 1860) 3.33 16.67 Lumbrineridae sp.1 3.33 Lumbrineris latreilli Audouin & Milne Edwards, 1833 3.33 30.00 13.33 86.67 3.33 6.67 Lysidice unicornis (Grube, 1840) 13.33 66.67 Macroclymene santanderensis (Rioja, 1917) 6.67 6.67 13.33 Magelona alleni Wilson, 1958 6.67 6.67 10.00 3.33 Magelona filiformis Wilson, 1959 3.33 Magelona minuta Eliason, 1962 3.33 3.33 10.00 Malmgrenia castanea McIntosh, 1876 3.33 Mediomastus capensis Day, 1961 6.67 6.67 3.33 Mediomastus fragilis Rasmussen, 1973 10.00 36.67 50.00 23.33 20.00 Melinna cristata (M. Sars, 1851) 43.33 26.67 3.33 Metasychis gotoi (Izuka, 1902) 6.67 Micronephthys longicornis (Perejaslavtseva, 1891) 6.67 30.00 3.33 6.67 Mysta barbata Malmgren, 1865 3.33 3.33 Mysta picta (Quatrefages, 1866) 3.33 Nephtys hombergii Savigny in Lamarck, 1818 20.00 3.33 Nephtys incisa Malmgren, 1865 6.67 3.33 Nephtys kersivalensis McIntosh, 1908 63.33 Nephtys sp.2 3.33 Nereididae sp. 3.33 3.33 Nereis lamellosa Ehlers, 1868 10.00 6.67 Nicomache lumbricalis (Fabricius, 1780) 3.33 10.00 20.00 Notomastus formianus Eisig, 1887 6.67 13.33 20.00 20.00 6.67 3.33 Notomastus latericeus Sars, 1851 3.33 16.67 13.33 3.33 Odontosyllis ctenostoma Claparède, 1868 3.33 Onuphis pancerii Claparède, 1868 3.33 3.33 3.33 Ophelina sp. 3.33 Palola siciliensis (Grube, 1840) 3.33 Paradoneis lyra (Southern, 1914) 26.67 16.67 80.00 66.67 Paralacydonia paradoxa Fauvel, 1913 6.67 Paucibranchia bellii (Audouin & Milne Edwards, 1833) 10.00 3.33 6.67 Petaloproctus terricolus Quatrefages, 1866 3.33 Pista cristata (Müller, 1776) 3.33 Platynereis dumerilii (Audouin & Milne Edwards, 1833) 3.33 3.33 Poecilochaetus serpens Allen, 1904 6.67 10.00 3.33 Polycirrus idex Lavesque, Hutchings, Daffe & Londoño-Mesa, 2020 3.33 Polynoidae sp.2 3.33 Praxillella affinis (M. Sars in G.O. Sars, 1872) 3.33 Pseudoleiocapitella fauveli Harmelin, 1964 6.67 3.33 6.67 10.00 3.33 Rhodine loveni Malmgren, 1865 16.67 43.33 60.00 6.67 3.33 Sabellidae sp.1 3.33 Schistomeringos neglecta (Fauvel, 1923) 3.33 3.33 Schistomeringos rudolphi (Delle Chiaje, 1828) 6.67 Scoloplos armiger (Müller, 1776) 150.00 10.00 3.33 6.67 Sigalion mathildae Audouin & Milne Edwards, 1832 20.00 3.33 Sigalion sp.1 3.33 Sigalion squamosus Delle Chiaje, 1830 13.33 3.33 Sigalionidae sp. 3.33 Spio sp. 1 3.33 Spio sp. 2 3.33 Spio sp. 3 13.33 10.00 3.33 Spionidae sp. 3 10.00 Spionidae sp. 4 3.33 3.33 Sternaspis scutata (Ranzani, 1817) 3.33 6.67 Streblospio shrubsolii (Buchanan, 1890) 13.33 3.33 Terebellides stroemii Sars, 1835 3.33 Scaphopoda Fustiaria rubescens (Deshayes, 1825) 3.33