Scientific Name
Hoplostethus melanopterus

Common Name
Blackfin roughy

Biology
Dorsal spines (total): 4 - 6; Dorsal soft rays (total): 13-14; Anal spines: 2 - 3; Anal soft rays: 9 - 10

Classification

Classified By

Fowler, 1938

Class

Ray-finned fishes (Actinopterygii)

Order

Sawbellies (Beryciformes)

Family

Slimeheads (Trachichthyidae)

Distribution

Region

Western Central Pacific

Distribution

Western Central Pacific: Philippines; also reported from the Arafura Sea (Ref. 9819). Eastern Atlantic and Western Indian Ocean: off Transkei, South Africa and Somalia (Ref. 4181).

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

600 m

Depth To - meters

1500 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 600 - 1500 m (Ref. 9869)

Trophic Level

3.39 s.e. 0.53 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

14.0 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 vulnerability (38 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