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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.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien bathydemersaal; diepte 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.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 45.0 cm TL mannelijk / geslacht onbekend; (Ref. 80968)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
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).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van potentieel belang
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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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). |
Trofisch niveau (Ref. 69278) |
3.6 ±0.5 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
High vulnerability (58 of 100). 🛈 |