Wedge-tail triggerfish (Rhinecanthus rectangulus) fish species and information / pictures of Wedge-tail triggerfish - Rhinecanthus rectangulus

Wedge-tail triggerfish (Rhinecanthus rectangulus) fish species information

Scientific Name
Rhinecanthus rectangulus

Common Name
Wedge-tail triggerfish

Biology
Dorsal spines (total): 3; Dorsal soft rays (total): 22-25; Anal spines: 0; Anal soft rays: 20 - 22. Body orange-brown above; head and belly white; soft dorsal, anal and pectoral fins pale; caudal fin dusky (Ref. 4420).

Classification

Classified By

Bloch & Schneider, 1801

Class

Ray-finned fishes (Actinopterygii)

Order

Puffers and Filefishes (Tetraodontiformes)

Family

Triggerfishes (Balistidae)

Distribution

Region

Indo-Pacific

Distribution

Indo-Pacific: Red Sea south to East London, South Africa (Ref. 4420) and east through Indonesia to the Marquesan Islands, north to southern Japan, south to Lord Howe Island.

Range

30°N - 32°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

10 m

Depth To - meters

20 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 10 - 20 m (Ref. 9770)

Trophic Level

3.09 s.e. 0.36 Based on diet studies.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

30.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5078 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial; aquarium: commercial

Vulnerability

Low to moderate vulnerability (30 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