White-axil damselfish (Pomacentrus albiaxillaris) is a ray-finned fish of the family Pomacentridae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 7 cm. It occurs at depths between 4 and 15 metres. With a trophic level of 2.7, it is an omnivore, consuming both plant and animal matter.
Dorsal spines (total): 13; Dorsal soft rays (total): 12 - 15; Anal spines: 2; Anal soft rays: 13 - 15; Vertebrae: 26. This species is distinguished by the following characters: D XIII,12-15 (usually 14); A II,13-15 (usually 14); pectoral-fin rays 16-18 (usually 18); tubed lateral-line scales 15-18 (rarely 15-16); total gill rakers on first arch 22-25 (usually 23-24); body depth 2.0-2.2 in SL; no scales on preorbital, a single row of scales on suborbital, often restricted to posterior part, continuing around posterior margin of eye; colour in life generally gray to bluish gray with thick black or dark-brown scale margins creating a network pattern; a small black spot restricted to the uppermost portion of pectoral-fin base; both sides of pectoral-fin axil white; dorsal and anal fins are dark gray or blackish with translucent portion posteriorly; caudal fin whitish; dorsal scleral surface of eye is bright blue. This species differs from from other members of the philippinus complex by having a small black spot restricted to the uppermost part of the pectoral-fin base vs. a large black spot that completely covers the base, and by having a white pectoral-fin axil vs. other colors or not especially colored .: short and / or deep; Cross section: compressed.
Behavioural data for White-axil damselfish is currently being reviewed.
Diet information for White-axil damselfish is currently being compiled.
Reproduction data for White-axil damselfish is currently being compiled.
Marine; reef-associated; depth range 4 - 15 m , usually 4 - 15 m . Tropical
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