Western Pacific roughy (Hoplostethus japonicus) fish species and information / pictures of Western Pacific roughy - Hoplostethus japonicus

Western Pacific roughy (Hoplostethus japonicus) fish species information

Scientific Name
Hoplostethus japonicus

Common Name
Western Pacific roughy

Biology
Biology and Aquarium, TaiwanClassification / Names Actinopterygii (Ray-finned fishes) > Beryciformes (Sawbellies) > Trachichthyidae (Slimeheads)Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoLMain reference Kotlyar, A.N. 1986. (Ref. 9869)Other references | Biblio | Coordinator : Moore, Jon A. | CollaboratorsSize / Weight / Age Max length : 12.6 cm SL male/unsexed; (Ref. 9869)

Classification

Classified By

Hilgendorf, 1879

Class

Ray-finned fishes (Actinopterygii)

Order

Sawbellies (Beryciformes)

Family

Slimeheads (Trachichthyidae)

Distribution

Region

Northwest Pacific

Distribution

Northwest Pacific: along the southern coast of Japan (south of Tokyo), in Sagami and Suruga Bays and in the Sea of Japan (Ref. 9869).

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

336 m

Depth To - meters

605 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 336 - 605 m (Ref. 9869)

Trophic Level

3.41 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

12.6 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

Moderate vulnerability (42 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