Scientific Name
Siganus trispilos

Common Name
Threeblotched rabbitfish

Biology
Dorsal spines (total): 13; Dorsal soft rays (total): 10; Anal spines: 7; Anal soft rays: 9; Vertebrae: 13. Sides of body and fins bright yellow with orange cast; 3 chocolate brown patches on upper half of body below spinous part of dorsal fin; head, thorax, ventral margin of body, upper half of sides, and caudal peduncle with blue pinhead-sized ocelli, with deep blue margin; ocelli also present within the 3 patches; fins may be invaded basally by blue ocelli. Brown smudge running diagonally through eye; yellow lips; dusky yellow iris. Fin and nape spines fairly stout, pungent, and venomous. Midline of thorax and pelvic ridges fully scaled.

Classification

Classified By

Woodland & Allen, 1977

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Rabbitfishes (Siganidae)

Distribution

Region

Eastern Indian Ocean

Distribution

Eastern Indian Ocean: off the northwestern coast of Western Australia (Ningaloo Reef complex; North West Cape; Murion Islands; Rosemary Islands, Dampier Archipelago).

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

3 m

Depth To - meters

5 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 3 - 5 m (Ref. 1419)

Trophic Level

2.24 s.e. 0.00 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

True

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

25.0 cm

Common Length

Unknown 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

Low vulnerability (18 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated