This fish grows to be around 40 cm in length and is typically a blue or brown color. Despite the variations in color, all Doctor fish have 10-12 vertical bars on their body. Its teeth are specially shaped so that the fish can scrape algae and plant matter from rocks; it spends most of the day “grazing” in this manner. At times, Doctor fish will also consume sand, which helps grind food during the digestive process.
Doctor fish spawn within 24 hours after fertilization, and look like floating plankton for a short time. The fish does not typically grow its scalpels until it is around 13 mm in length. It reaches sexual maturity after 9 months.
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