Classificazione / Nomi
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Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Coelorinchus: Greek, koilos = a hollow + Greek, rhyngchos = jaw (Ref. 45335); obscuratus: Name from the Latin for darkened or obscured.
More on authors: McMillan & Iwamoto.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino batidemersale; distribuzione batimetrica 1013 - 1460 m (Ref. 80968). Deep-water
Western Pacific, known only from the continental slope of the West Norfolk ridge west of New Zealand and the Norfolk Ridge south of New Caledonia.
Dimensione / Peso / Età
Maturità: Lm ? range ? - ? cm
Max length : 45.0 cm TL maschio/sesso non determinato; (Ref. 80968)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
This species is distinguished by the following characters: almost no scales on the ventral surface of the head; nasal fossa with a large scaleless area anteriorly extending to nasal ridge and ventrally to or near suborbital ridge; lacks external evidence of a light organ; anus immediately before anal fin origin; long snout, about 2.0-2.3 into head length (HL), with strong terminal scute, which is elongate ventrally, anterolateral margins not completely supported by bone; grayish brown body, no prominent marking s; narrow blackish eye ring; dusky to black lips, mouth, and gill cavities (Ref. 80968).
Body shape (shape guide): elongated.
Apparently a deepwater species and have a very low abundance as it was taken only in small numbers (Ref. 80968).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
McMillan, P. and T. Iwamoto, 2009. Two new species of Coelorinchus (Teleostei, Gadiformes, Macrouridae) from the Tasman Sea. Proc. Calif. Acad. Sci. 60(4):39-51. (Ref. 80968)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: di potenziale interesse
Strumenti
Rapporti speciali
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Fonti Internet
Stime basate su modelli
Temperatura preferita (Fonte Biblio.
123201): 2.9 - 4.9, mean 4 °C (based on 173 cells).
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00257 (0.00132 - 0.00501), b=3.19 (3.02 - 3.36), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (Preliminary K or Fecundity.).
Vulnerabilità della pesca (Ref.
59153): Low to moderate vulnerability (35 of 100).
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