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Marine Ecology Progress Series 606:65

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Marine Ecology Progress Series 606:65 The following supplement accompanies the article Ontogenetic changes in stable isotope (δ13C and δ15N) values in squid Gonatus fabricii (Cephalopoda) reveal its important ecological role in the Arctic Alexey V. Golikov*, Filipe R. Ceia, Rushan M. Sabirov, Zarina I. Zaripova, Martin E. Blicher, Denis V. Zakharov, José C. Xavier *Corresponding author: [email protected] Marine Ecology Progress Series 606: 65–78 (2018) Table S1. Rostral length and length–mass relationship equations in Gonatus fabricii in the Arctic in general and in west and east Greenland, and the Barents Sea. URL – upper rostral length, LRL – lower rostral length, ML – mantle length. General West Greenland East Greenland Barents Sea Sexes URL = 0.0543ML0.8725 (1) URL = 0.0632ML0.8512 (22) URL = 0.0588ML0.8861 (43) URL = 0.0507ML0.8539 (64) combined n = 183, R2 = 0.95, p = 0.010 n = 99, R2 = 0.93, p = 0.010 n = 29, R2 = 0.93, p = 0.010 n = 67, R2 = 0.95, p = 0.010 Upper URL = 0.0532ML0.8778 (4) URL = 0.0648ML0.8471 (23) URL = 0.0638ML0.8759 (44) URL = 0.0437ML0.8907 (65) rostral Females n = 99, R2 = 0.92, p = 0.010 n = 44, R2 = 0.93, p = 0.010 n = 15, R2 = 0.91, p = 0.024 n = 39, R2 = 0.94, p = 0.010 length URL = 0.0551ML0.8681 (5) URL = 0.0615ML0.856 (24) URL = 0.0498ML0.9148 (45) URL = 0.0689ML0.778 (66) Males n = 84, R2 = 0.97, p = 0.009 n = 45, R2 = 0.93, p = 0.010 n = 14, R2 = 0.93, p = 0.010 n = 28, R2 = 0.98, p = 0.008 Sexes LRL = 0.0592ML0.8528 (2) LRL = 0.0596ML0.8496 (25) LRL = 0.0597ML0.8771 (46) LRL = 0.0648ML0.8206 (67) combined n = 183, R2 = 0.98, p = 0.009 n = 99, R2 = 0.91, p = 0.023 n = 29, R2 = 0.94, p = 0.010 n = 67, R2 = 0.92, p = 0.011 Lower LRL = 0.057ML0.8642 (6) LRL = 0.0572ML0.8611 (26) LRL = 0.0524ML0.9097 (47) LRL = 0.0614ML0.8386 (68) rostral Females n = 99, R2 = 0.98, p = 0.009 n = 44, R2 = 0.91, p = 0.023 n = 15, R2 = 0.91, p = 0.019 n = 39, R2 = 0.92, p = 0.010 length LRL = 0.0607ML0.8439 (7) LRL = 0.0613ML0.8416 (27) LRL = 0.0672ML0.8478 (48) LRL = 0.0727ML0.7857 (69) Males n = 84, R2 = 0.98, p = 0.008 n = 45, R2 = 0.91, p = 0.023 n = 14, R2 = 0.96, p = 0.009 n = 28, R2 = 0.93, p = 0.010 Sexes ML = 31.979URL0.9738 (8) ML = 27.487URL1.0895 (28) ML = 27.792URL0.9618 (49) ML = 38.215URL0.8781 (70) Mantle combined n = 183, R2 = 0.95, p = 0.010 n = 99, R2 = 0.93, p = 0.010 n = 29, R2 = 0.93, p = 0.010 n = 67, R2 = 0.95, p = 0.010 length from ML = 32.48URL0.9371 (9) ML = 26.98URL1.0977 (29) ML = 25.757URL1.0331 (50) ML = 38.895URL0.8341 (71) upper Females n = 99, R2 = 0.92, p = 0.010 n = 44, R2 = 0.93, p = 0.010 n = 15, R2 = 0.91, p = 0.024 n = 39, R2 = 0.94, p = 0.010 rostral ML = 31.441URL1.0103 (10) ML = 28.05URL1.0805 (30) ML = 31.692URL0.908 (51) ML = 36.058URL1.0033 (72) length Males n = 84, R2 = 0.97, p = 0.009 n = 45, R2 = 0.93, p = 0.010 n = 14, R2 = 0.93, p = 0.010 n = 28, R2 = 0.98, p = 0.008 1 General West Greenland East Greenland Barents Sea Sexes ML = 30.579LRL1.03 (11) ML = 30.032LRL1.067 (31) ML = 29.66LRL0.9536 (52) ML = 32.162LRL0.9992 (73) Mantle 2 2 2 2 combined n = 183, R = 0.98, p = 0.009 n = 99, R = 0.91, p = 0.023 n = 29, R = 0.94, p = 0.010 n = 67, R = 0.92, p = 0.011 length from ML = 30.431LRL1.0148 (12) ML = 29.946LRL1.0526 (32) ML = 27.97LRL1.033 (53) ML = 31.859LRL0.981 (74) lower Females n = 99, R2 = 0.98, p = 0.009 n = 44, R2 = 0.91, p = 0.023 n = 15, R2 = 0.91, p = 0.019 n = 39, R2 = 0.92, p = 0.010 rostral ML = 30.821LRL1.0432 (13) ML = 30.2LRL1.0767 (33) ML = 31.631LRL0.901 (54) ML = 32.137LRL1.0494 (75) length Males n = 84, R2 = 0.98, p = 0.008 n = 45, R2 = 0.91, p = 0.023 n = 14, R2 = 0.96, p = 0.009 n = 28, R2 = 0.93, p = 0.010 Sexes Mass = 1.5783URL2.5107 (14) Mass = 0.9548URL2.8638 (34) Mass = 1.7324URL2.2437 (55) Mass = 2.7046URL2.1642 (76) Mass from combined n = 183, R2 = 0.97, p = 0.009 n = 99, R2 = 0.95, p = 0.010 n = 29, R2 = 0.97, p = 0.009 n = 67, R2 = 0.97, p = 0.009 upper Mass = 1.6517URL2.447 (15) Mass = 0.9669URL2.8713 (35) Mass = 1.2031URL2.5421 (56) Mass = 2.697URL2.1257 (77) Females rostral n = 99, R2 = 0.95, p = 0.010 n = 44, R2 = 0.95, p = 0.010 n = 15, R2 = 0.92, p = 0.013 n = 39, R2 = 0.97, p = 0.009 length Mass = 1.4942URL2.5804 (16) Mass = 0.939URL2.8614 (36) Mass = 2.3603URL2.0012 (57) Mass = 2.6416URL2.2719 (78) Males n = 84, R2 = 0.98, p = 0.007 n = 45, R2 = 0.95, p = 0.010 n = 14, R2 = 0.98, p = 0.007 n = 28, R2 = 0.92, p = 0.012 Sexes Mass = 1.4139LRL2.6509 (17) Mass = 1.2036LRL2.8063 (37) Mass = 1.845LRL2.2313 (58) Mass = 1.8405LRL2.4138 (79) Mass from combined n = 183, R2 = 0.98, p = 0.008 n = 99, R2 = 0.95, p = 0.010 n = 29, R2 = 0.96, p = 0.010 n = 67, R2 = 0.98, p = 0.007 lower Mass = 1.4055LRL2.6326 (18) Mass = 1.2603LRL2.7642 (38) Mass = 1.4597LRL2.4791 (59) Mass = 1.6753LRL2.4493 (80) Females rostral n = 99, R2 = 0.98, p = 0.008 n = 44, R2 = 0.95, p = 0.010 n = 15, R2 = 0.94, p = 0.012 n = 39, R2 = 0.98, p = 0.007 length Mass = 1.4281LRL2.6667 (19) Mass = 1.1471LRL2.8454 (39) Mass = 2.34661LRL2.0875 (60) Mass = 2.1095LRL2.3581 (81) Males n = 84, R2 = 0.98, p = 0.008 n = 45, R2 = 0.95, p = 0.010 n = 14, R2 = 0.96, p = 0.010 n = 28, R2 = 0.93, p = 0.011 Sexes Mass = 0.0003ML2.4777 (3) Mass = 0.0002ML2.5748 (49) Mass = 0.0001ML2.2458 (61) Mass = 0.0006ML2.3466 (82) combined n = 183, R2 = 0.97, p = 0.009 n = 99, R2 = 0.98, p = 0.008 n = 29, R2 = 0.96, p = 0.009 n = 67, R2 = 0.95, p = 0.010 Length- Mass = 0.0003ML2.4961 (20) Mass = 0.0002ML2.5708 (41) Mass = 0.0006ML2.3862 (62) Mass = 0.0005ML2.4064 (83) mass Females n = 99, R2 = 0.97, p = 0.009 n = 44, R2 = 0.98, p = 0.008 n = 15, R2 = 0.96, p = 0.009 n = 39, R2 = 0.95, p = 0.010 relationship Mass = 0.0003ML2.4657 (21) Mass = 0.0002ML2.5877 (42) Mass = 0.0016ML2.1224 (63) Mass = 0.0009ML2.2458 (84) Males n = 84, R2 = 0.96, p = 0.009 n = 45, R2 = 0.98, p = 0.009 n = 14, R2 = 0.97, p = 0.009 n = 28, R2 = 0.95, p = 0.010 2 Table S2. Review of the known prey of Gonatus fabricii. Phylum Class Order Species References Arthropoda Maxillopoda Calanoida Nesis 1965, Wiborg 1980, 1982, Wiborg et al. 1982, 1984, Sennikov et al. Calanus finmarchicus 1989, Jereb et al. 2015 Calanus hyperboreus Nesis 1965, Sennikov et al. 1989, Jereb et al. 2015 Metridia longa Bodini et al. 2009 Metridia sp. Nesis 1965, Jereb et al. 2015 Euchaeta sp. Wiborg et al. 1984, Jereb et al. 2015 Nesis 1965, Wiborg 1980, 1982, Wiborg et al. 1982, Sennikov et al. 1989, Paraeuchaeta norvegica Jereb et al. 2015 Temora sp. Wiborg et al. 1984, Jereb et al. 2015 Calanoida g. sp. Nesis 1971, Wiborg 1980, 1982, Sennikov et al. 1989, Jereb et al. 2015 Cyclopoida Oithona similis Bodini et al. 2009 Malacostraca Mysidacea Mysidacea g. sp. Kristensen 1984, Jereb et al. 2015 Euphausiacea Thysanoessa longicaudata Nesis 1965, Sennikov et al. 1989, Bodini et al. 2009, Jereb et al. 2015 Thysanoessa raschii Sennikov et al. 1989 Thysanoessa inermis Sennikov et al. 1989, Bodini et al. 2009 Thysanoessa sp. Sennikov et al. 1989 Meganyctiphanes Wiborg 1980, 1982, Wiborg et al. 1982, 1984, Sennikov et al. 1989, Jereb norvegicus et al. 2015 Euphausiacea g. sp. Zuev & Nesis 1971, Sennikov et al. 1989, Jereb et al. 2015 Amphipoda Hyperia galba Nesis 1965, Jereb et al. 2015 Wiborg 1982, Wiborg at el. 1982, Sennikov et al. 1989, Bodini et al. 2009, Themisto gaudichaudi Jereb et al. 2015 Wiborg 1982, Wiborg at el. 1982, Sennikov et al. 1989, Bodini et al. 2009, Themisto libellula Jereb et al., 2015 Wiborg 1982, Wiborg at el. 1982, Sennikov et al. 1989, Bodini et al. 2009, Parathemisto abyssorum Jereb et al. 2015 Wiborg 1980, Kristensen 1984, Wiborg et al. 1984, Sennikov et al. 1989, Parathemisto sp. Jereb et al. 2015 Hyperiidae g. sp. Kristensen 1984, Sennikov et al. 1989, Jereb et al. 2015 3 Phylum Class Order Species References Pseudalibrotus sp. Nesis 1965, Jereb et al. 2015 Lysianassidae g. sp. Nesis 1971 Amphipoda g.
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