Appearance
The Black-tailed Butterflyfish and the Melon Butterflyfish and the Oval Butterflyfish are similar in coloration. The former has black caudal and anal fins, while the latter is an Indian Ocean species and has a more conspicuous back patch below the dorsal fin and a mainly yellow anal fin.
Behavior
Growing to a maximum of 15 cm long, the monogamous adults swim in pairs and may be territorial and aggressive to other ''Chaetodon''.
Habitat
The Oval Butterflyfish is found at depths between 2 and 20 m in coral-rich lagoons and semi-protected seaward reefs. Small juveniles are secretive and hide in corals.Food
Oval Butterflyfish feed exclusively on coral polyps.References:
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