Teleostei (teleosts) >
Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Coryphaenoides: Greek, koryphaina = dolphin fish + Suffix oides = similar to (Ref. 45335).
Eponymy: Rear-Admiral John Hext (1842–1924) was a British naval officer who served (1857–1889). [...] (Ref. 128868), visit book page.
More on author: Alcock.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range 865 - 2300 m (Ref. 10437). Deep-water
Western Indian Ocean: Laccadive Sea and off Somalia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 58.4 cm TL male/unsexed; (Ref. 41039)
Minimum depth from Ref. 58018.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Shcherbachev, Y.N. and T. Iwamoto, 1995. Indian Ocean grenadiers of the subgenus Coryphaenoides, genus Coryphaenoides (Macrouridae, Gadiformes, Pisces). Proc. Calif. Acad. Sci. 48(14):285-314. (Ref. 10437)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (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=0.00219 (0.00112 - 0.00429), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trophic level (Ref. 69278) |
3.6 ±0.4 se; based on size and trophs of closest relatives |
Resilience (Ref. 120179) |
Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3). |
Fishing Vulnerability (Ref. 59153) |
High to very high vulnerability (66 of 100). 🛈 |