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