Scientific Name
Chromis brevirostris

Common Name
Shortsnout Chromis

Biology
Dorsal spines (total): 8; Dorsal soft rays (total): 13-14; Anal spines: 2; Anal soft rays: 15 - 16. This species is distinguished by the following characters: Dorsal rays XIII,13-14, usually 14; anal rays II,15-16; pectoral rays 18-19, usually 19; spiniform caudal rays 2-3, usually 3; tubed lateral-line scales 14-16; gill rakers 6-8 + 19-22 (usually 6-7 + 19-21; total 26-29); body depth 1.57-1.77 in SL. Color when fresh is pale lavender-tinged gray dorsally, paler ventrally; 3 or 4 rows of scales dorsally from nape to upper caudal peduncle with gold edges; small scales on basal sheath of dorsal fin almost entirely gold; median fin membranes lavender gray or translucent blue, suffused with gold color; iris yellow (Ref. 59379).

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: Marshall Islands southward to Fiji, across the Caroline Islands from Puluwat to Palau, and south to Vanuatu. This species was not observed at Rarotonga (Cook Islands), Kiritimati (Line Islands), nor in American Samoa during brief surveys of deep reefs in these areas.

Range

12°N - 21°S, 134°E - 178°W

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

42 m

Depth To - meters

120 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 42 - 120 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

6.9 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 vulnerability (17 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