Cohen's whiptail (Nezumia coheni) fish species and information / pictures of Cohen's whiptail - Nezumia coheni

Cohen's whiptail (Nezumia coheni) fish species information

Scientific Name
Nezumia coheni

Common Name
Cohen's whiptail

Biology
Dorsal spines (total): 2. Pelvic rays usually 11. Underside of head mostly scaled, but a median-ventral naked swath below snout tip; pores of sensory system on head relatively small. Scales densely covered with narrowly to broadly lanceolate spinules in somewhat convergent rows; 7.0-8.5 rows below second dorsal origin; 34-40 lateral line scales over distance equal to predorsal length. First dorsal fin dusky to black. Anterior dermal window of light organ between insertions of pelvic fins. Barbel 1.8-2.0 into orbit diameter, 15-20% of HL; preoral length 23-28%; orb.-preop. 38-44%.

Classification

Classified By

Iwamoto & Merrett, 1997

Class

Ray-finned fishes (Actinopterygii)

Order

Cods (Gadiformes)

Family

Grenadiers or rattails (Macrouridae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: known only from off New Caledonia, the Kermadecs, and eastern Australia.

Range

17°S - 36°S, 150°E - 178°E

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

710 m

Depth To - meters

1032 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 710 - 1032 m (Ref. 35908)

Trophic Level

3.36 s.e. 0.44 Based on size and trophs of closest relatives

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

40.0 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 (45 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated