Azurina eupalama Heller & Snodgrass, 1903

Galapagos damsel

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Perciformes \| Pomacentridae
Synonyms	... more
Common names	Blackspot chromis, Catañuela punta negro, Galapagos-jomfrufisk, ... more

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Main reference

Grove, J.S. and R.J. Lavenberg. 1997. (Ref. 28023)
Other references | Biblio | Coordinator : Allen, Gerald R. | Collaborators

Size / Weight / Age

Max length : 15.0 cm SL male/unsexed; (Ref. 28023)

Environment

Reef-associated; non-migratory; marine; depth range 5 - 30 m (Ref. 28023)

Climate / Range

Tropical; 1°N - 1°S

Eastern Central Pacific: Cocos and the Galapagos Islands. This species has not been seen since the 1982/83 El Niño event (Ref. 27438).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

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 Galápagos damselfish. Preorbital bone smooth without a notchlike projection; edge of preopercle irregular, weakly serrate. Lateral line complete and conspicuous (Ref. 28023).

Apparently this species prefers open water near drop-offs, although individuals are found in a variety of inshore habitats to depths of 30 meters. It is not a common species and resident aggregations have strong preferences for specific sites. Feeds mainly on plankton in the water column, usually in heterotypic aggregations with Chromis atrilobata. Prior to the 1982-83 El Niño, a small aggregation frequented the shallow water just west of Pinnacle Rock at Bartolomé. But despite intensive observations during the decade after this event, no records of this species were made (Ref. 28023).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

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More information
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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low to moderate vulnerability (32 of 100)	Not marketed/unknown

Entered by Reyes, Rodolfo B.

Modified by Capuli, Estelita Emily

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Page last modified by : elaxamana, 15 July 2009

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