Spring Chromis (Chromis earina) fish species and information / pictures of Spring Chromis - Chromis earina

Spring Chromis (Chromis earina) fish species information

Scientific Name
Chromis earina

Common Name
Spring Chromis

Biology
Dorsal spines (total): 12 - 13; Dorsal soft rays (total): 11-12; Anal spines: 2; Anal soft rays: 12. This species is distinguished by the following characters: Dorsal rays XII-XIII, 11-12, usually XIII, 12; anal rays II, 12; pectoral rays 17-18, usually 18; spiniform caudal rays 3; tubed lateral-line scales 13-15, rarely 16; gill rakers 6-8 + 18-21 (total 26-28, rarely 25); body depth 1.65-1.9 in SL. The color when fresh is pale slate blue (bright pale green in life) with a white spot (sometimes two white spots) roughly the size of a scale mid-laterally on the body; malachite green area above orbit and in inter-orbital space and nape; the dorsal and anal fins with bright distal border of pale turquoise blue (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: from Puluwat westward to Palau; south to Papua New Guinea, Vanuatu and Fiji; also Indonesia. It was not observed at Rarotonga (Cook Islands), Kiritimati (Line Islands), nor American Samoa during brief surveys of deep reefs at these localities.
Range
9°N - 21°S, 129°E - 178°W

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
60 m
Depth To - meters
116 m
Zone
reef-associated
Environment
Marine; reef-associated; depth range 60 - 116 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
6.6 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 (16 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