Fish Guide

Caribbean Longnose Butterflyfish   (Prognathodes aculeatus)
Family: Chaetodontidae (Butterflyfishes)
Natural Range: Caribbean
Depth: 3 to 459 ft.   Size: 3.8 in.   Jumps: No   Space: 55+ gal.
Reef Safe: Caution   Care Level: Moderate   Temperament: Peaceful
Diet: Bristleworms, crustaceans, black coral polyps, sea urchin pedicellaria
Natural History: The adult Caribbean Longnose Butterflyfish is found singly on reef faces and slopes as well as sand flats. It is observed to swim upside down inside caves and crevices. Juveniles are sometimes encountered in groups around rock and coral structures. When threatened, this butterflyfish erects its dorsal spines and points them at the threat.
Husbandry: The Caribbean Longnose Butterflyfish is considered a hardy aquarium species. Adults should be houses singly and may show some aggression toward other closely related species. This butterflyfish is rarely aggressive with unrelated species. The Caribbean Longnose Butterflyfish may pick at the polyps of gorgonians and stony corals, and the fans of tubeworms.

AKA: Rosy Butterflyfish

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