Scientific Name
Grammoplites scaber

Common Name
Rough flathead

Biology
Dorsal spines (total): 9; Dorsal soft rays (total): 11-13. Lateral line scales often 53, each scale with a backward directed spine that extends beyond rear margin of scale, especially along the caudal peduncle. Interorbital width 9% or more of head length.

Classification

Classified By

Linnaeus, 1758

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Flatheads (Platycephalidae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: southern Arabian Sea and Bay of Bengal through Malaysia, Indonesia to Bali and Celebes, Gulf of Thailand, Viet Nam, Hong Kong and southern Philippines. Also reported from the Arafura Sea (Ref. 9819). Records from the northern Arabian Sea, Persian Gulf and east coast of Africa probably refer to other species.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

55 m

Zone

demersal

Environment

Marine; brackish; demersal; amphidromous (Ref. 51243); depth range ? - 55 m (Ref. 9790)

Trophic Level

3.81 s.e. 0.63 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

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

20.0 cm

Phylogenetic Diversity Index

PD50 = 0.6250 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 (29 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated