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: Coryphaenoides: Greek, koryphaina = dolphin fish + Suffix oides = similar to (Ref. 45335); gypsochilus: From the Greek gypso for chalky like gypsum, and cheilus for lip, referring to its chalk-colored lips (Ref. 42942). More on authors: Iwamoto & McCosker.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 630 - 900 m (Ref. 42942). Deep-water
Southeast Pacific: Galapagos Islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 43.7 cm TL male/unsexed; (Ref. 42942)
Morphology | Morphometrics
(total): 2. Branchiostegal rays 6; anus immediately before anal fin origin, small periproct lacking light organ; head laterally compressed; snout rounded, without prominent tubercular scale at tip or lateral angles, scarcely protruding beyond large mouth, naked over anterior end and ventrally through posterior nostril; opercular opening wide, extending ventrally forward to below angle of lower jaw; suborbital region almost vertical, lacking prominent angular ridge and coarsely modified scale rows; base of pectoral broad (Ref. 42942).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Iwamoto, T. and J.E. McCosker, 2001. Notes on Galápagos granadiers (Pisces, Gadiformes, Macrouridae), with the description of a new species of Coryphaenoides. Rev. Biol. Trop. 49 (Suppl.1):21-27. (Ref. 42942)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 4.5 - 7.1, mean 5.8 (based on 7 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00219 (0.00095 - 0.00502), b=3.17 (2.98 - 3.36), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.5 ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate to high vulnerability (48 of 100) .