Scientific Name
Pterygotrigla ryukyuensis

Common Name
Ryukyu gurnard

Biology
Nape with no scales; breast and belly scaled. Preserved specimens uniformly tan. No spots on dorsum.

Classification

Classified By

Matsubara & Hiyama, 1932

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Searobins (Triglidae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: Ryukyu Islands to the South China Sea, and Indonesia. Also reported from northwestern Australia (Ref. 9771) and the Arafura Sea (Ref. 9819).

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

500 m

Zone

demersal

Environment

Marine; demersal; depth range ? - 500 m (Ref. 9771)

Trophic Level

3.61 s.e. 0.50 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

30.0 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

Low to moderate vulnerability (31 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