Coryphaenoides filifer (Gilbert, 1896)
Filamented rattail
photo by Canadian Museum of Nature, Ottawa, Canada

Family:  Macrouridae (Grenadiers or rattails)
Max. size:  55 cm TL (male/unsexed)
Environment:  bathydemersal; marine; depth range 1285 - 2904 m
Distribution:  North Pacific: Sea of Okhotsk to Alaska and southern California, USA.
Diagnosis:  Dorsal spines (total): 2-2; Anal spines: 0-0. 2nd spine of 1st dorsal fin very long and slender, terminating in a long filament, smooth near base but outer half strongly toothed; 1st dorsal with 12 to 14 soft rays, ray count of 2nd dorsal unknown; caudal fin very narrow; anal rays numerous, long and low; pectorals long and slender; outside rays of pelvic fins very long and filamentous (Ref. 6885). Dark brown in color; black on fins, nostrils, ventral surfaces of snout, lips and gill membranes (Ref. 6885). Branchiostegal rays: 6 (Ref. 36385).
Biology:  Bathybenthic (Ref. 36385). Oviparous, with planktonic larvae (Ref. 36385).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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