Scientific Name
Brotulotaenia nigra

Common Name
Dark cusk

Biology
Dorsal soft rays (total): 113-115; Anal soft rays: 91 - 94. Scales small, non-imbricate prickles; opercle with no spine; median basibranchial tooth patch absent; gill rakers are tooth-bearing tubercles; otolith very small and rounded; precaudal vertebrae 12-15 (Ref. 34024).

Classification

Classified By

Parr, 1933

Class

Ray-finned fishes (Actinopterygii)

Order

Cusk eels (Ophidiiformes)

Family

Cusk-eels (Ophidiidae)

Distribution

Region

Atlantic Ocean

Distribution

Atlantic Ocean: discontinuous distribution.

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

1000 m

Depth To - meters

1100 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 1000 - 1100 m (Ref. 57178)

Trophic Level

3.59 s.e. 0.57 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

30.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5625 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest

Vulnerability

Moderate vulnerability (36 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