Scientific Name
Rogadius pristiger

Common Name
Thorny flathead

Biology
Dorsal spines (total): 9; Dorsal soft rays (total): 10-12; Anal spines: 0; Anal soft rays: 10 - 12. Lower edge of preopercle projecting downward as a strong antrorse spine. Infraorbital and suborbital ridges bearing many fine serrations. Lower side of head unicarinate. Dorsal fin usually 11. Iris lappet bilobed. Caudal fin with a white basal band, a broad dusky submarginal band and a narrow white edge.

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: Red Sea, Madagascar and Gulf of Oman; northern Indian Ocean; Indonesia, Gulf of Thailand, Philippines, Papua New Guinea, the Arafura Sea (Ref. 9819), northwest shelf of Australia and New Caledonia. Recently reported from Tonga (Ref. 53797).

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

15 m

Depth To - meters

95 m

Zone

demersal

Environment

Marine; demersal; non-migratory; depth range 15 - 95 m (Ref. 30573)

Trophic Level

3.96 s.e. 0.65 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

50.0 cm

Common Length

15.0 cm

Phylogenetic Diversity Index

PD50 = 0.5156 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Moderate vulnerability (37 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