Allen's Damsel, Pomacentrus alleni Burgess 1981

Andaman Damselfish, Pomacentrus alleni, at Weh Island, Sumatra, Indonesia. Source: Gerald R. Allen / Liu et al. (2013) Zoological Studies 52(6): 1-8.. License: CC by Attribution

A neon blue damselfish with a yellow anal fin and a broad black streak along the lower part of the caudal fin. Occurs in the Australian territory of Christmas Island in the Indian Ocean.

Cite this page as:
Bray, D.J. 2020, Pomacentrus alleni in Fishes of Australia, accessed 09 Dec 2022,

Allen's Damsel, Pomacentrus alleni Burgess 1981

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Christmas Island in the eastern Indian Ocean. Elsewhere the species occurs in the eastern Indian Ocean from the Andaman Sea, south to Bali, Indonesia. Small groups usually inhabit reef edges over rubble and dead coral on outer slopes and inshore areas.


Dorsal fin XIII, 13-14; Anal fin II, 13-14; Pectoral fin 16-17; Lateral line pores 17-18.
Body relatively elongate, compressed; hind margin of preopercle serrate; suborbital naked, with smooth ventral margin. Teeth on jaws biserial, incisor-like. Caudal fin emarginate.

Species Citation

Pomacentrus alleni Burgess 1981, Tropical Fish Hobbyist 30(3): 68. Type locality: Ko Ba Ngu Island, Thailand [8°40'N, 97°38'E]. 


Bray, D.J. 2020


Atlas of Living Australia

Allen's Damsel, Pomacentrus alleni Burgess 1981


Allen, G.R. 1991. Damselfishes of the World. Melle, Germany : Mergus Verlag 271 pp. 

Allen, G. R. 2001. Family Pomacentridae. pp. in Carpenter, K.E. & Niem, T.H. (eds). The Living Marine Resources of the Western Central Pacific. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 6 pp. 3381-4218. 

Allen, G.R. & Erdmann, M.V. 2012. Reef fishes of the East Indies. Perth : Tropical Reef Research 3 vols, 1260 pp. 

Burgess, W.E. 1981. Pomacentrus alleni and Amphiprion thiellei, two new species of pomacentrids (Pisces: Pomacentridae) from the Indo-Pacific. Tropical Fish Hobbyist 30(3): 68-69, 72-73

Hobbs, J.-P.A., Ayling, A.M., Choat, J.H., Gilligan, J.J., McDonald, C.A., Neilson, J. & Newman, S.J. 2010. New records of marine fishes illustrate the biogeographic importance of Christmas Island, Indian Ocean. Zootaxa 2422: 63–68

Hobbs, J-P.A., Newman, S.J., Mitsopoulos, G.E.A., Travers, M.J., Skepper, C.L., Gilligan, J.J., Allen, G.R., Choat, H.J. & Ayling, A.M. 2014. Checklist and new records of Christmas Island fishes: the influence of isolation, biogeography and habitat availability on species abundance and community composition. Raffles Bulletin of Zoology Supplement 30: 184–202

Liu, S.-Y., Ho, H.-C. & Dai, C.-F. 2014. A new species of Pomacentrus (Actinopterygii: Pomacentridae) from Micronesia, with comments on its phylogenetic relationships. Zoological Studies 52(6): 1-8, open access

Sorenson, L., Allen, G.R., Erdmann, M.V. Dai, C-F., Liu, S-Y.V. 2014. Pleistocene diversification of the Pomacentrus coelestis species complex (Pisces: Pomacentridae): historical biogeography and species boundaries. Marine Biology 161(11): 2495-2507. DOI:10.1007/s00227-014-2521-8

Quick Facts

CAAB Code:37372144

Depth:3-30 m

Fishing:Aquarium fish

Habitat:Reef associated

Max Size:6 cm TL

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