Species Description
Unlike wrasses, it has a vertical head profile, and unlike other parrotfishes, it is uniformly covered with scales except for the leading edge of the head which is often light green to pink. Primary phase colouration is a dull gray with scattered white spots, gradually becoming uniformly dark green. This species does not display sex-associated patterns of color change. Adults develop a bulbous forehead and their teeth plates are exposed (only partly covered by lips). The species is slow growing and long-lived (up to 40 years), with delayed reproduction and low replenishment rates. This species is gregarious and usually occurs in small aggregations, but group size can be quite large (> 75) on seaward and clear outer lagoon reefs.
Read more about this topic: Green Humphead Parrotfish
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