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Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Coryphaenoides: Greek, koryphaina = dolphin fish + Suffix oides = similar to (Ref. 45335); oreinos: From the Greek 'oreinos' meaning from the mountains, mountain dwelling, referring to the species habitat, seamounts and guyots of the eastern Pacific.
More on authors: Iwamoto & Sazonov.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina djupbottenlevande; djupintervall 990 - 1626 m (Ref. 11650). Deep-water
Eastern Central Pacific: Dowd Tablemount, Seamount 375, Mexico.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 65.0 cm TL hane/ej könsbestämd; (Ref. 11650)
Taggstrålar i ryggfenan (totalt) : 2; Mjukstrålar i ryggfenan (totalt) : 8 - 10. Broad snout, rounded, naked but for 2 spiny tubercular scales at lateral angles; small coarse scales in a series along the posterior part of the median nasal ridge; a wedge of small scales intruding forward from the interorbital region on each side of median ridge. Prominent naked margins on head bones. Reduced spinules on scales, absent along the outer margins, about 8-12 subparallel ridges, few with sharp spinules. Internasal width about 5 in head, interorbital about 4, slightly greater than orbit diameter; small barbel, about 0.5 or less into orbit; upper jaw 36-39% head length. 1D. II,8-10 (Ref. 11650).
Occurs on seamounts and guyots of the eastern Pacific (Ref. 11650).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Iwamoto, T. and Y.I. Sazonov, 1988. A review of the southeastern Pacific Coryphaenoides (Sensu Lato) (Pisces, Gadiformes, Macrouridae). Proc. Calif. Acad. Sci. 45(3):35-82. (Ref. 11650)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00214 (0.00109 - 0.00421), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.6 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (46 of 100).
