Actinopteri (ray-finned fishes) > Gadiformes
(Cods) > Macrouridae
(Grenadiers or rattails)
Etymology: Coryphaenoides: Greek, koryphaina = dolphin fish + Suffix oides = similar to (Ref. 45335); grahami: Named for K. Graham..
More on authors: Iwamoto & Shcherbachev.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 1034 - 1280 m (Ref. 11953). Deep-water
Southeast Atlantic: off South African west coast. Western Indian Ocean: Broken Ridge. Southwest Pacific: New South Wales.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL male/unsexed; (Ref. 11953)
A benthic species found on the continental slope (Ref. 75154).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Iwamoto, T. and Y.N. Shcherbachev, 1991. Macrourid fishes of the subgenus Chalinura, genera Coryphaenoides, from the Indian Ocean. Proc. Calif. Acad. Sci. 47(7):207-233. (Ref. 10993)
IUCN Red List Status (Ref. 125652)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 2.9 - 5.7, mean 4.7 °C (based on 65 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this BS (Ref. 93245
Trophic level (Ref. 69278
): 3.5 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low to moderate vulnerability (30 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .