Scientific Name
Chromis atripes

Common Name
Dark-fin chromis

Biology
Dorsal spines (total): 12; Dorsal soft rays (total): 12; Anal spines: 2; Anal soft rays: 12. Body orangish brown with faint light bluish to lavender iridescence on lower head and thorax; darkly-edged orbit; iris yellowish with a blackish blotch dorsally and ventrally. Eyes large. Preopercular margin smooth. Blackish spot on dorsal and anal fins confined at rear base; upper and lower edges of caudal peduncle and fin blackish; wedge-shaped black spot on pectoral base. With prominent pores of lateralis system on head.

Classification

Classified By

Fowler & Bean, 1928

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Damselfishes (Pomacentridae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: Christmas Island and the northwest shelf reefs of Australia in the eastern Indian Ocean to Kiribati, north to southern Japan. Recently reported from Tonga (Ref. 53797).

Range

35°N - 30°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

2 m

Depth To - meters

40 m

Zone

reef-associated

Environment

Marine; reef-associated; non-migratory; depth range 2 - 40 m (Ref. 1602), usually 10 - 25 m (Ref. 5439)

Trophic Level

2.64 s.e. 0.29 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

True

Physical Size and Genetics

Maximum Length

9.0 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

Aquarium: commercial

Vulnerability

Low vulnerability (19 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