Filamented rattail (Coryphaenoides filifer) fish species and information / pictures of Filamented rattail - Coryphaenoides filifer

Filamented rattail (Coryphaenoides filifer) fish species information

Scientific Name
Coryphaenoides filifer

Common Name
Filamented rattail

Biology
Dorsal spines (total): 2; Anal spines: 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).

Classification

Classified By

Gilbert, 1896

Class

Ray-finned fishes (Actinopterygii)

Order

Cods (Gadiformes)

Family

Grenadiers or rattails (Macrouridae)

Distribution

Region

North Pacific

Distribution

North Pacific: Sea of Okhotsk to Alaska and southern California, USA.

Range

66°N - 32°N

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

1285 m

Depth To - meters

2904 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 1285 - 2904 m (Ref. 10941)

Trophic Level

4.5 s.e. 0.37 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

55.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Moderate to high vulnerability (54 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated