Scientific Name
Ctenochaetus tominiensis

Common Name
Tomini surgeonfish

Biology
Dorsal spines (total): 8; Dorsal soft rays (total): 24-25; Anal spines: 3; Anal soft rays: 22 - 23. Margins of lips papillate. Only species of Ctenochaetus with angular dorsal and anal fins. Caudal fin of juveniles forked, of adults lunate. Gill rakers on anterior row 20-21, on posterior row 20. Outer soft portion of dorsal and anal fins orange (pale in preservative). Caudal fin white. Edge of lips crenulate. Upper teeth with 2 or 3 denticulations (not including tip). Anterior gill rakers 19-23 (Ref 42056).

Classification

Classified By

Randall, 1955

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Surgeonfishes, tangs, unicornfishes (Acanthuridae)

Distribution

Region

Western Central Pacific

Distribution

Western Central Pacific: Indonesia, Philippines, Papua New Guinea, northern Great Barrier Reef, Solomon Islands, Palau, Vanuatu and Fiji. Recently recorded from Tonga (Ref. 53797).

Range

15°N - 19°S, 119°E - 180°E

Environment

Climate

Tropical

Water Temperature From

24 °C

Water Temperature To

27 °C

Depth From - meters

3 m

Depth To - meters

45 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 3 - 45 m (Ref. 42056), usually 3 - 25 m (Ref. 27115)

Trophic Level

2.1 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

True

Physical Size and Genetics

Maximum Length

16.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5020 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Aquarium: commercial

Vulnerability

Low vulnerability (22 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