Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Gadiformes
(Cods) > Macrouridae
(Grenadiers or rattails) > Macrourinae
Etymology: Coelorinchus: Greek, koilos = a hollow + Greek, rhyngchos = jaw (Ref. 45335). More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; non-migratory; depth range 235 - 830 m (Ref. 1371). Deep-water; 43°N - 28°N, 127°E - 147°E (Ref. 1371)
Northwest Pacific: Japan (Okinawa Trough, Pacific coast southward from Hokkaido), East China Sea (off Kagoshima Prefecture), Sea of Okhotsk and Korea (off Ulsan, Gyeongsangnam-do).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 68.0 cm TL male/unsexed; (Ref. 1371)
Morphology | Morphometrics
spines: 0. Head large; the eyes also large; head ridges well developed; the snout tipped with a blunt tubercular scute. Scales covered with short, rather broad spinules, arranged in 4 to 9 widely divergent rows. Overall color brownish, bluish ventrally on belly; the mouth and gill cavities blackish, but the latter with whitish hyoid area along its posterior margin; the fins dusky or blackish.
Feeds mainly on euphausiids, prawns, and small fishes (e.g. myctophids).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 118484)
Threat to humans
Fisheries: of potential interest
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 0.6 - 6.6, mean 1.1 °C (based on 17 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00229 (0.00101 - 0.00521), b=3.14 (2.95 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.8 ±0.62 se; based on food items.
Resilience (Ref. 120179
): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): High vulnerability (62 of 100) .