Scientific Name
Chromis xanthura

Common Name
Paletail chromis

Biology
Dorsal spines (total): 13; Dorsal soft rays (total): 10-11; Anal spines: 2; Anal soft rays: 9 - 10. Fish exhibit color variation with size and location. Juveniles are slate gray to a brilliant metallic blue with a bright orange-yellow tail. Adults are dark gray to black, and in most areas have a white tail.

Classification

Classified By

Bleeker, 1854

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Damselfishes (Pomacentridae)

Distribution

Region

Pacific Ocean

Distribution

Pacific Ocean: Christmas Island and offshore reefs of northwestern Australia in the eastern Indian Ocean to the islands of Oceania (excluding the Hawaiian Islands). Reported from Maldives (Ref. 5579), Japan and Taiwan (Ref. 1602 and 4868, respectively). Replaced by Chromis opercularis in western Indian Ocean (Ref. 37816).

Range

35°N - 25°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

3 m

Depth To - meters

40 m

Zone

reef-associated

Environment

Marine; reef-associated; non-migratory; depth range 3 - 40 m (Ref. 7247)

Trophic Level

3.4 s.e. 0.45 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

15.0 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 to moderate vulnerability (26 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