Scientific Name
Chromis circumaurea

Common Name
Gold-rim Chromis

Biology
Dorsal spines (total): 14; Dorsal soft rays (total): 12-13; Anal spines: 2; Anal soft rays: 13 - 14. This species is distinguished by the following characters: Dorsal rays XIV,12-13, usually 13; anal rays II, 13-14, usually 13; pectoral rays 18-19; spiniform caudal rays 3; tubed lateral-line scales 16-17; gill rakers 6-7 + 20-21, total 26-27; body depth 1.68-1.86 in SL. The color when fresh is mahogany brown with bright yellow distally on spinous portion of dorsal fin; the soft portion of dorsal fin, caudal fin, and anal fin is bright yellow.

Classification

Classified By

Pyle, Earle & Greene, 2008

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Damselfishes (Pomacentridae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: Yap I. (Caroline Islands, Micronesia) and probably in the Marshall and Mariana islands.

Range

21°N - 6°N, 137°E - 164°E

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

98 m

Depth To - meters

100 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 98 - 100 m (Ref. 59379)

Trophic Level

3.03 s.e. 0.09 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

False

Physical Size and Genetics

Maximum Length

10.2 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

Unknown

Vulnerability

Low to moderate vulnerability (25 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