Coryphaenoides marginatus Steindachner & Döderlein, 1887
Amami grenadier
Coryphaenoides marginatus
photo by Shao, K.T.

Family:  Macrouridae (Grenadiers or rattails)
Max. size:  62 cm TL (male/unsexed)
Environment:  bathydemersal; marine; depth range 250 - 790 m, non-migratory
Distribution:  Northwest Pacific: southern Japan to the East China Sea.
Diagnosis:  Dorsal spines (total): 2-2; Anal spines: 0-0. Head almost completely scaled, except for the underside of the snout and anteriorly on the mandibular rami. Snout short, pointed, with stout conical tubercle at its tip and lateral angles; suborbital ridge prominent; mouth small; chin barbel very small. Scales rather deciduous; body scales with slender spinules in 7 to 19 parallel rows. Pyloric caeca 11 to 14, about half of orbit diameter, directed anteriorly. Overall color is purplish brown, lighter ventrally on head and trunk; oral and branchial cavities blackish; fins blackish.
Biology:  Benthopelagic in sandy mud bottoms (Ref. 1371).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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