Journal ArticleDOI
Deep and cold: are Boreal and Arctic finned octopods, Stauroteuthis syrtensis and Cirroteuthis muelleri (Cephalopoda, Octopoda, Cirrata), ecological analogues?
Alexey V. Golikov,Gleb M. Artemev,Martin E. Blicher,Gudmundur Gudmundsson,Lis Lindal Jørgensen,Steinunn H. Ólafsdóttir,Wojciech Walkusz,Denis V. Zakharov,Olga Zimina,Rushan M. Sabirov +9 more
TLDR
Stauroteuthis syrtensis and C. muelleri were studied based on representative material collected in Greenland, Iceland, and the Barents Sea and adjacent deep-sea areas as mentioned in this paper .Abstract:
Stauroteuthis syrtensis and Cirroteuthis muelleri were studied based on representative material collected in Greenland, Iceland, and the Barents Sea and adjacent deep-sea areas (96 stations and 165 individuals for S. syrtensis, and 82 stations and 215 individuals for C. muelleri). The species occur on the border of the Arctic and the northern North Atlantic; S. syrtensis is a southern species and C. muelleri is a northern species, in the area from the Denmark and Davis Straits and associated underwater ridges. These species were demonstrated to be ecological analogues since they: a) occupy the same depths; b) reach the same abundance density; c) reach virtually the same biomass density when corrected for size differences; and d) their food spectra largely coincide. Temperature, not depth, is a principal factor that prevents these species from crossing the border between the Arctic and the northern North Atlantic, with mean habitat temperatures of 3.5 ± 0.06 °C for S. syrtensis and 0.3 ± 0.06 °C for C. muelleri. This study provides unprecedented density estimates for the North Atlantic and Arctic Cirrata: the highest in the world ocean in terms of biomass and second highest in terms of numerical abundance. Food spectra of the studied species consist of Calanoida (including eurybathic Paraeucheta spp. and Calanus spp., and deep-sea Bradyidius similis), Mysidacea and Isopoda (including deep-sea Eurycopinae) (Crustacea), and in C. muelleri also Cumacea, Amphipoda (Crustacea) and Polychaeta (Polynoidae). Additionally, this study: a) provides specific growth and morphometric equations; b) provides equations to estimate mantle length (ML) and body mass (BM) from beak measurements, and BM of fresh individuals (for modelling purposes or predators diet analyses) from BM of fixed individuals; c) reports maximum sizes for C. muelleri (ML 170 mm, total length 400 mm, BM 781.0 g); and d) reports findings of rarely encountered juvenile cirrates. read more
Citations
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Journal ArticleDOI
The significance of cephalopod beaks as a research tool: An update
José C. Xavier,Alexey V. Golikov,José P. Queirós,C. Perales-Raya,Rigoberto Rosas-Luis,José Abreu,G. Bello,Paco Bustamante,Juan C. Capaz,Valerie H. Dimkovikj,Ángel F. González,Hugo R. Guímaro,Airam Guerra-Marrero,José Nuno Gomes-Pereira,Tsunemi Kubodera,Vladimir Laptikhovsky,E. Lefkaditou,Fedor Lishchenko,Amanda Luna,Bilin Liu,Graham J. Pierce,Vasco Miguel de Castro e Vasconcelos Pissarra,Elodie Réveillac,Evgeny V. Romanov,Rui Rosa,Marjorie Roscian,L. Rose-Mann,Isabelle Rouget,Pilar Sánchez,A Sánchez-Márquez,Sónia Seixas,Louise Souquet,Jaquelino Varela,Eric Vidal,Yves Cherel +34 more
TL;DR: The use of cephalopod beaks in ecological and population dynamics studies has allowed major advances of our knowledge on the role of ceps in marine ecosystems in the last 60 years.
Journal ArticleDOI
Life History of the Arctic Squid Gonatus fabricii (Cephalopoda: Oegopsida) Reconstructed by Analysis of Individual Ontogenetic Stable Isotopic Trajectories
Alexey V. Golikov,Filipe R. Ceia,Henk-Jan T. Hoving,José P. Queirós,Rushan M. Sabirov,Martin E. Blicher,Anna M. Larionova,Wojciech Walkusz,Denis V. Zakharov,José C. Xavier +9 more
TL;DR: In this article , the life history of G. fabricii, the most abundant Arctic cephalopod, is reconstructed by the analysis of individual ontogenetic trajectories of stable isotopes (δ13C and δ15N) in archival hard body structures.
Journal ArticleDOI
Miles down for lunch: deep-sea in situ observations of Arctic finned octopods Cirroteuthis muelleri suggest pelagic–benthic feeding migration
Alexey V. Golikov,Julian B. Stauffer,James Taylor,Lilian Boehringer,Autun Purser,Rushan M. Sabirov,Henk-Jan T. Hoving +6 more
TL;DR: In this paper , the authors observed Cirroteuthis muelleri with their web spread wide, motionless and drifting in the water column 500-2600 m from the seafloor.
Journal ArticleDOI
Genome skimming elucidates the evolutionary history of OctopodA.
Morag Taite,Fernando Ángel Fernández-Álvarez,Heather E. Braid,S. Bush,Kat S.R. Bolstad,Jim Drewery,Sadie Mills,Jan M. Strugnell,Michael Vecchione,Roger Villanueva,Janet R. Voight,A. Louise Allcock +11 more
TL;DR: In this paper , the complete mitogenomes and the nuclear 18S and 28S ribosomal genes of twenty octopoda specimens, comprising 18 species of Cirrata and Incirrata, were assembled using genome skimming.
Journal ArticleDOI
Finned octopus Cirroteuthis Eschricht, 1836 (Cephalopoda: Cirrata: Cirroteuthidae) confirmed from Australian waters
TL;DR: A single specimen of C. cf.
References
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