Pomacanthus arcuatus

FamilyScientific NameAuthorYearCommon Name
PomacanthidaePomacanthus arcuatus(Linnaeus)1758Gray Angelfish

Pomacanthus arcuatus

Unique Characters: Dorsal and anal soft fins extended into filaments. Scales small to moderate, irregular in size and placement, more than 70 in lateral series. Juveniles extremely different in color and pattern from adults. Dorsal-fin spines 9, rays 31-33. Adults: body scales (large and small) with large blackish, greyish, or brownish spot edged in light brown to straw color; inside of pectoral fin yellowish, no yellow bar at base. Juveniles: black with yellow bars; posterior caudal-fin edge clear; yellow stripe on forehead crosses mouth, ending on chin.

Similar Species: French Angelfish Pomacanthus paru. Dorsal and anal soft fins extended into filaments. Scales small to moderate, irregular in size and placement, more than 70 in lateral series. Juveniles extremely different in color and pattern from adults. Dorsal-fin spines 10, rays 29-31. Adults: body scales with golden yellow rim; pectoral-fin base with yellow bar. Juveniles: black with yellow bars; caudal-fin edge bright yellow; yellow stripe on forehead ends at base of upper lip.

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