Thickspine roughy (Hoplostethus robustispinus) fish species and information / pictures of Thickspine roughy - Hoplostethus robustispinus

Thickspine roughy (Hoplostethus robustispinus) fish species information

Scientific Name
Hoplostethus robustispinus

Common Name
Thickspine roughy

Biology
Dorsal spines (total): 6; Dorsal soft rays (total): 14; Anal spines: 3; Anal soft rays: 9; Vertebrae: 27. Hoplostethus robustispinus has extremely thickened fin spines, 56 digitiform pyloric caeca, a bright red body, fins with no black pigment in any fin membranes, no silvery flanks, a long trunk (VA distance is greater than almost all other species) and eyes more dorsally placed, with the upper margin dorsal to preopercular ridges and level with the post-temporal spine (Ref. 84133).

Classification

Classified By

Moore & Dodd, 2010

Class

Ray-finned fishes (Actinopterygii)

Order

Sawbellies (Beryciformes)

Family

Slimeheads (Trachichthyidae)

Distribution

Region

Pacific Ocean

Distribution

Pacific Ocean: Philippines, east of Calagua Islands (Ref. 84133).

Range

14°N - 15°N, 123°E - 124°E

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

648 m

Depth To - meters

660 m

Zone

demersal

Environment

Marine; demersal; depth range 648 - 660 m (Ref. 84133)

Trophic Level

s.e. 0.00 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

34.0 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:

Vulnerability

Low to moderate vulnerability (31 of 100)

Resilience

Unknown

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated