Scientific Name
Triacanthus biaculeatus

Common Name
Short-nosed tripodfish

Biology
Spiny dorsal-fin membrane very dark between first and third spines, and usually equally dark between third and fifth spines. Outline of head from base of first dorsal-fin spine to above eye an even slightly convex curve or almost a straight line (Ref 9804).

Classification

Classified By

Bloch, 1786

Class

Ray-finned fishes (Actinopterygii)

Order

Puffers and Filefishes (Tetraodontiformes)

Family

Triplespines (Triacanthidae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: Persian Gulf eastward through Bay of Bengal to eastern Australia, northward to southern Japan and China.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

20 °C

Water Temperature To

30 °C

Depth From - meters

Unknown m

Depth To - meters

60 m

Zone

demersal

Environment

Marine; brackish; demersal; depth range ? - 60 m (Ref. 9804)

Trophic Level

2.76 s.e. 0.29 Based on food items.

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

30.0 cm

Common Length

25.0 cm

Phylogenetic Diversity Index

PD50 = 0.7578 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial

Vulnerability

Moderate vulnerability (40 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.22)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated