Scientific Name
Inegocia japonica

Common Name
Japanese flathead

Biology
Dorsal spines (total): 9; Dorsal soft rays (total): 11-13; Anal spines: 0; Anal soft rays: 11 - 13. Preopercular spines usually 3, upper spine short, subequal with next; small accessory spine usually present. Suborbital ridge usually smooth except for two spines under eye. Interopercular flap present.

Classification

Classified By

Cuvier, 1829

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Flatheads (Platycephalidae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: widespread, from Sri Lanka and India north to southern Japan; south to the Philippines; South China Sea; Gulf of Thailand; Indonesia; Papua New Guinea; the Arafura Sea (Ref. 9819); Australia from Cockburn Sound, Western Australia to Moreton Bay, Queensland. A record from Reunion is based on a single specimen (MNHN 6846, holotype of Platycephalus borboniensis) that seems to be in error (Ref. 33528).

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

7 m

Depth To - meters

85 m

Zone

demersal

Environment

Marine; demersal; non-migratory; depth range 7 - 85 m (Ref. 9790)

Trophic Level

3.69 s.e. 0.63 Based on diet studies.

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

35.0 cm

Common Length

20.0 cm

Phylogenetic Diversity Index

PD50 = 0.5625 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial

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