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Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Coelorinchus: Greek, koilos = a hollow + Greek, rhyngchos = jaw (Ref. 45335); kaiyomaru: Named for the fisheries research vessel Kaiyo Maru; noun in apposition..
More on authors: Arai & Iwamoto.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino batidemersale; non migratori; distribuzione batimetrica 625 - 1150 m (Ref. 11953). Deep-water; 40°S - 56°S
Southern circumglobal: New Zealand, Tasmania, and the Falkland Islands. Also known from the southeast Atlantic off Gough and Discovery tablemounts.
Size / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 43.0 cm TL maschio/sesso non determinato; (Ref. 1371)
Spine dorsali (totale) : 2; Spine anali: 0. This species is distinguished by the following characters: snout long. Slender, and sharply pointed, its length 43-48% HL, 0.5-0.7 into orbit diameter; normally no scales on ventral aspects of head except along anterolateral margin of snout; naked areas dorsally behind anterolateral margins of snout confined to narrow strips; anterolateral edges of snout not supported by bone (median and lateral processes of nasal bone not united); ventral light organ very small, short, situated just before anus; scales large, fairly deciduous, spinules short, imbricate, aligned in 8 to 10, slightly divergent rows; overall color is gray-brown, with a bluish band around trunk; the underside of the head dusky to densely punctuated; the orbit rim black; the fins blackish to dusky (Ref. 1371, 36027).
Feeds on deep-sea decapod crustaceans, gastropods, and polychaetes (Ref. 1371). Probably taken occasionally in by-catch of commercially important fishes (Ref. 1371).
Life cycle and mating behavior
Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
Iwamoto, T. and E. Anderson, 1994. Review of the grenadiers (Teleostei: Gadiformes) of southern Africa, with descriptions of four new species. Ichthyol. Bull. J.L.B. Smith Inst. Ichthyol. (61):1-28. (Ref. 11953)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Pesca: di nessun interesse
Strumenti
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