Scientific Name
Gymnocranius audleyi

Common Name
Collared large-eye bream

Biology
Dorsal spines (total): 10; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 9 - 10. Inner surface of pectoral fin without scales. Overall color is silver or whitish, often light brown or olive on upper sides. Each scale on sides has a brown spot forming longitudinal rows. Fins are uniformly clear to slightly yellowish. Fresh specimen have scattered brown flecks on sides. A blackish bar that runs through the eye may also be evident.

Classification

Classified By

Ogilby, 1916

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Emperors or scavengers (Lethrinidae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: Australia (east coast of southern Queensland and the southern half of the Great Barrier Reef). The name bitorquatus has been applied to this species, particularly by Australian authors.

Range

15°S - 25°S

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

8 m

Depth To - meters

40 m

Zone

reef-associated

Environment

Marine; reef-associated; non-migratory; depth range 8 - 40 m (Ref. 2295)

Trophic Level

3.4 s.e. 0.41 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

40.0 cm

Common Length

35.0 cm

Phylogenetic Diversity Index

PD50 = 0.5039 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 (26 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.56; tmax=13)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated