Galapagos damsel (Azurina eupalama) fish species and information / pictures of Galapagos damsel - Azurina eupalama

Galapagos damsel (Azurina eupalama) fish species information

Scientific Name
Azurina eupalama

Common Name
Galapagos damsel

Biology
Dorsal spines (total): 13; Dorsal soft rays (total): 10-11; Anal spines: 2; Anal soft rays: 11 - 12. Color olive-gray with a light-blue tint, silver on the ventral side; snout dusky, a black spot at pectoral fin base; pale gray pelvic and anal fins, dusky dorsal fin. Body more slender compared to other Gal?pagos damselfish. Preorbital bone smooth without a notchlike projection; edge of preopercle irregular, weakly serrate. Lateral line complete and conspicuous (Ref. 28023).

Classification

Classified By
Heller & Snodgrass, 1903
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Damselfishes (Pomacentridae)

Distribution

Region
Eastern Central Pacific
Distribution
Eastern Central Pacific: Cocos and the Galapagos Islands. This species has not been seen since the 1982/83 El Ni?o event (Ref. 27438).
Range
1°N - 1°S

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
5 m
Depth To - meters
30 m
Zone
reef-associated
Environment
Marine; reef-associated; non-migratory; depth range 5 - 30 m (Ref. 28023)
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
False

Physical Size and Genetics

Maximum Length
15.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.7500 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 (32 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Critically Endangered (CR) (B1ab(i,ii,iv,v)+2ab(i,ii,iv,v))