This was unexpected as butterfly fish are not known to feed on sponges, however the explanation may be that the sponge was ingested in error when the fish was feeding on the barnacles which had become entangled in the sponge.
22.
Among the dazzling spectrum of brightly colored angelfish, butterfly fish and larger creatures like the doltish-looking humphead wrasse, the most fun to watch is the blue-and-green hued parrotfish, which uses its beaklike front teeth to break coral formations and extract edible polyps.
23.
Coral associated ornamental fishes belonging to the family Chaetodontidae, ( butterfly fish ); Parrotfish; Amphiprion spp ( clown fish ), Holocentrus spp ( squirrel fish ), Scarus spp ( parrot fish ), Lutjanus spp ( snappers ) and Abudefduf saxatilis ( sergeant Major ) are abundant.
24.
There are fish from the Indian Ocean, from the Caribbean, from Africa : luminescent hippotangs, with blue and black stripes; clown triggers, black and white with yellow leopard patterned skin; bright yellow butterfly fish; a dog-faced puffer, snout and brow like a dog's, which expands when scared.
