Scientific Name
Pomadasys auritus

Common Name
Longhead grunt

Biology
Dorsal spines (total): 12; Dorsal soft rays (total): 14; Anal spines: 3; Anal soft rays: 7. Body color silvery to light burnished gold; dorsal fins with well defined blackish spots on interspinous membranes; adults with blackish spot on tip of each scale on back and upper sides. Body depth 3.2 tomes in SL. Head large; upper profile convex; gill cover and angle of preopercle lengthened as convex rounded lobe; gill cover extending to above 1/3 to 1/2 of pectoral fins. Mouth small; maxilla reaching to eye. Pores 2 and a median pit on chin (Ref. 47695).

Classification

Classified By

Cuvier, 1830

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Grunts (Haemulidae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: China, Thailand, Singapore, Malaysia, and New South Wales, Australia.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Marine; brackish; benthopelagic

Trophic Level

3.53 s.e. 0.49 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

52.0 cm

Common Length

43.0 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 vulnerability (42 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