Scientific Name
Cymbacephalus staigeri

Common Name
Northern rock flathead

Biology
Dorsal spines (total): 9; Dorsal soft rays (total): 11; Anal spines: 0; Anal soft rays: 11. A prominent pit present behind upper eye. Preopercular spines short, two subequal. Infraorbital ridge smooth over most eye, with a few short spines posteriorly. No dermal papillae on upper eye. Dorsal fin IX or I, VIII.

Classification

Classified By

Castelnau, 1875

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Flatheads (Platycephalidae)

Distribution

Region

Western Central Pacific

Distribution

Western Central Pacific: Christmas Island to northern Queensland, Gulf of Carpentaria, Darwin, Shark Bay, Australia and Port Moresby, Papua New Guinea.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

10 m

Depth To - meters

46 m

Zone

demersal

Environment

Marine; demersal; non-migratory; depth range 10 - 46 m (Ref. 9790), usually ? - 10 m (Ref. 9790)

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

40.0 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: subsistence fisheries

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