Slender brotula (Dicrolene multifilis) fish species and information / pictures of Slender brotula - Dicrolene multifilis

Slender brotula (Dicrolene multifilis) fish species information

Scientific Name
Dicrolene multifilis

Common Name
Slender brotula

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 102-115; Anal spines: 0; Anal soft rays: 82 - 95. Snout rather blunt; eye diameter almost as long as snout; opercular spine strong and straight; hind margin of preopercle usually with 3 sharp spines; 1 median (broad) and a pair (small and placed behind median one) of basibranchial tooth patches; pseudobranchial filaments 2 or 3; 7-15 developed rakers on anterior arch; lower 5-11 pectoral fin rays free and longer than upper ones; precaudal vertebrae 13-16 (Ref. 34024). No black fin rays; spines in supraorbital absent and on preopercle absent or weak (Ref. 34024).

Classification

Classified By

Alcock, 1889

Class

Ray-finned fishes (Actinopterygii)

Order

Cusk eels (Ophidiiformes)

Family

Cusk-eels (Ophidiidae)

Distribution

Region

Indian Ocean

Distribution

Indian Ocean: off Table Bay and east coast of South Africa; also from other parts of the Indian Ocean.

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

344 m

Depth To - meters

1700 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 344 - 1700 m (Ref. 34024)

Trophic Level

3.55 s.e. 0.59 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

26.0 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

Fisheries: of no interest

Vulnerability

Low to moderate vulnerability (32 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3)

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)