Scientific Name
Priacanthus macracanthus

Common Name
Red bigeye

Biology
Dorsal spines (total): 10; Dorsal soft rays (total): 12-14; Anal spines: 3; Anal soft rays: 13 - 14. Medium-sized fish of moderately deep body. The eyes large; the mouth oblique, with the lower jaw projecting upwards. The body tapers very slightly to beneath the middle of the soft portion of the dorsal fin, and then abruptly to the peduncle. This species is distinguished from P. fitchi by the presence of numerous rusty brown to yellowish spots in the membranes of the dorsal and anal fins, and its less tapered body.

Classification

Classified By

Cuvier, 1829

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Bigeyes or catalufas (Priacanthidae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: southern Japan to western Indonesia, the Arafura Sea (Ref. 9819), and Australia. Reported from Peter the Great Bay (Ref. 27683).

Range

32°N - 22°S

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

20 m

Depth To - meters

400 m

Zone

reef-associated

Environment

Marine; reef-associated; oceanodromous (Ref. 51243); depth range 20 - 400 m

Trophic Level

4.11 s.e. 0.60 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

30.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5002 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: commercial

Vulnerability

Low vulnerability (17 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.7-1.0; tmax=6)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated