Gadomus arcuatus (Goode & Bean, 1886)
Doublethread grenadier
photo by Delgado, J.

Family:  Bathygadidae (Rattails)
Max. size:  58 cm TL (male/unsexed)
Environment:  bathypelagic; marine; depth range 610 - 1370 m, non-migratory
Distribution:  Central Atlantic: Western Central Atlantic: Gulf of Mexico, Caribbean, and northeastern coast of South America. Eastern Atlantic: Morocco, Canary Islands, Azores and Portugal (Ref. 3587).
Diagnosis:  Head bones and integument are relatively tough; eyes are of moderate size; chin barbels are long and prominent; adults over 30 cm have a pronounced hump-back appearance; caudal fin is absent; the first fin rays of the dorsal pectoral and pelvic fins are very elongated; body color is generally brownish; the fin membranes, mouth and gill chamber blackish (Ref. 1371). This species does not have light organs (Ref. 6187).
Biology:  Captured together with the commercial red shrimp (Pleoticus robustus).
IUCN Red List Status: Least Concern (LC); Date assessed: 01 August 2015 Ref. (130435)
Threat to humans:  harmless


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