Scientific Name
Scorpaena onaria

Common Name
Western scorpionfish

Biology
Dorsal spines (total): 12; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 5. Body reddish; scattered with irregular pale blotches and some black dots; a large black patch at the posterior part of dorsal fin from 7th to 10th spines. Mouth oblique; upper jaw reaching below posterior margin of eye (Ref. 43569).

Classification

Classified By

Jordan & Snyder, 1900

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Scorpionfishes or rockfishes (Scorpaenidae)

Distribution

Region

Northwest Pacific

Distribution

Northwest Pacific: Japan and South Korea. Reported from Taiwan (Ref. 12711).

Range

Unknown

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Marine; demersal

Trophic Level

3.72 s.e. 0.60 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

Moderate to high vulnerability (49 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