Smallscale slimehead (Hoplostethus melanopus) fish species and information / pictures of Smallscale slimehead - Hoplostethus melanopus

Smallscale slimehead (Hoplostethus melanopus) fish species information

Scientific Name
Hoplostethus melanopus

Common Name
Smallscale slimehead

Biology
Dorsal spines (total): 4 - 5; Dorsal soft rays (total): 13-16; Anal spines: 2 - 3; Anal soft rays: 8 - 10. Body and head brownish grey; fins dusky to blackish (Ref. 4181).

Classification

Classified By

Weber, 1913

Class

Ray-finned fishes (Actinopterygii)

Order

Sawbellies (Beryciformes)

Family

Slimeheads (Trachichthyidae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: Natal in South Africa, Somalia, the United Arabic Emirates on the Madagascar Ridge (Ref. 9869) to Japan (Jon Moore, pers. comm.) and Indonesia. Southeast Atlantic: off Namibia and Cape Town, South Africa.

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

400 m

Depth To - meters

914 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 400 - 914 m (Ref. 26165)

Trophic Level

3.51 s.e. 0.54 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

25.0 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

High vulnerability (55 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