Alexander's Damsel, Pomacentrus alexanderae (Evermann & Searle, 1907)

ANIMAL SPECIES:Alexander's Damsel, Pomacentrus alexanderae (Evermann & Searle, 1907)

Alexander's Damsel is small, light grey fish that lives in lagoons and on both inshore and offshore coral reefs.

Identification

Alexander's Damsel is light grey with a black pectoral fin base. It looks similar to a number of other damselfish species but can be distinguished by a combination of characteristics that include body dimensions, counts of fin rays, scales and gill rakers.

Size range

The species grows to 11 cm in length.

Distribution

Alexander's Damsel occurs in tropical marine waters of the Eastern Indian Ocean and Western Pacific. In Australia it is known from north-western Western Australia.

Distribution by bioregion

Marine Bioregions: Northwest Shelf Province

What does this mean?

Distribution by collection data

Biomaps map of Alexander's Damsel specimens in the Australian Museum collection.

What does this mean?

Habitat

It is usually seen at depths between 5 m and 30 m in lagoons and on both inshore and offshore coral reefs.

Habitat type

Marine Habitat: coral reef

What does this mean?

Classification

Species:: alexanderae
Genus:: Pomacentrus
Family:: Pomacentridae
Order:: Perciformes
Class:: Actinopterygii
Subphylum:: Vertebrata
Phylum:: Chordata
Kingdom:: Animalia

What does this mean?

References

Allen, G.R. 1991. Damselfishes of the World. Mergus. Pp. 271.
Allen, G.R. 1997. Marine Fishes of Tropical Australia and South-east Asia. Western Australian Museum. Pp. 292.
Allen, G.R. & R. Swainston. 1988. The Marine Fishes of North-Western Australia. A Field Guide for Anglers and Divers. Western Australian Museum. Pp. 201.
Kuiter, R.H. 1992. Tropical Reef-Fishes of the Western Pacific. Indonesia and adjacent Waters. Penerbit PT Gramedia Pustaka Utama. Pp. 314.

Mark McGrouther , Collection Manager, Ichthyology
Last Updated: 29 March 2010

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