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aqua 5(4)_Pomacentrus

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SINGLE PAPER

Volume 5, Issue 4 – July 2002

John E. Randall: Two new damselfishes of the genus Pomacentrus from the south-west Pacific, pp. 167-176

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Description

SINGLE PAPER

Volume 5, Issue 4 – July 2002

John E. Randall: Two new damselfishes of the genus Pomacentrus from the south-west Pacific, pp. 167-176

Abstract

Pomacentrus callainus, formely identified as a colour variety of the western Pacific P. lepidogenys, is described from specimens from Tonga and Fiji. It is distinct from P. lepidogenys in its overall blue-green colour with a wedge-shaped black spot at the upper base of the pectoral fin, higher gill raker counts (22-25, compared to 20-23 for P. lepidogeys), deeper body (47.5-51% SL compared to 43.5-47% SL, for P. lepidogenys), longer dorsal spines (longest spine 14.7-17.1% SL, compared to 12.7-14.7% SL in P. lepidogenys), and probable larger size. Pomacentrus spilotoceps is described as new from four specimens from Tonga and underwater photographs from Fiji. Its closest relative appears to be P. chrysurus, known from the western Pacific to the Maldive Islands. P. spilotoces differs in having in orange or yellow spots on the operculum and before and above the base of the pectoral fins and 22-24 gill rakers, compared with 18-19 for P. chrysurus).

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