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Scombriformes (Mackerels) >
Icosteidae (Ragfish)
Etymology: Icosteus: Greek, eikoo = to sag, to bend something that is soft + Greek, osteon = bone.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas batipelágico; intervalo de profundidade 0 - 1420 m (Ref. 50550), usually 18 - 732 m (Ref. 2850). Deep-water; 66°N - 32°N
North Pacific: Japan to southeastern Alaska and to Point Loma, southern California, USA.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 213 cm TL macho/indeterminado; (Ref. 2850)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 0; Raios dorsais moles (total) : 52 - 55; Espinhos anais: 0; Raios anais moles: 34 - 40. Pectorals rounded, pedunculate (Ref. 6885). Generally of a chocolate color (Ref. 6885). Young more robust, with an expanded and rounded caudal fin, 5 pelvic rays, and a brown and yellow irregularly blotched with faint purple color, dusky on fins (Ref. 6885).
Adults occur near bottom; juveniles in shallow water or offshore near the surface (Ref. 50277). Feeds on jellyfish (Ref. 50277), fishes and squids (Ref. 2850), as well as octopuses (Ref. 4525).
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2024-1)
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