IUCN threat status:

Least Concern (LC)

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Biology

This attractive fish feeds on a wide range of food as it flits around its reef habitat. Its broad diet includes small invertebrates, such as amphipods, crabs and marine worms, as well as seaweeds (2). The double sash butterflyfish often pecks this small prey from cracks in the reef (2), using its long, slightly hooked teeth (3). As well as providing food, the rocky or coral habitat also offers small crevices into which the fish can dart if threatened or alarmed (2). Often seen in pairs, the double sash butterflyfish spawns between May and November, when females release many batches of eggs into the surrounding water. It is thought that the eggs hatch in late winter and spring (3). The double sash butterflyfish is a rather fast growing fish, with males reaching maturity at about two years old, when they measure around ten centimetres in length (3).

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Source: ARKive

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