BAHAMAS REEF FISH (5) – ROCK BEAUTY Holacanthus tricolor
(No, this is not all about you, Madge…)
The Rock Beauty is a species of small Angelfish, measuring up to 10 inches in length. They are bright yellow and dark blue, in varying proportions according to the stage of development, with startling blue eyelids. They are mainly sponge-feeders, but vary their diet with plankton, algae, corals and even small jellyfish. Although the cheerful colouring of the Rock Beauty might make many think “my aquarium”, their diet – particularly the need for sponges – makes them unsuitable for captivity (see below for details). They also become aggressive, and cannot be successfully bred in an aquarium which is an excellent lifestyle choice by them, and no doubt helps them to retain an IUCN listing of LC.
These fish inhabit the reefs of the tropical western Atlantic down to the northern areas of the Gulf…
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