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Peacock grouper
◆ Roi are protogynous hermaphrodites, which means they start life as females and later switch sexes to males. ◆ Roi take two years to become sexually reproductive and generally live in harems of 1 male and up to 12 females. ◆ Roi harems occupy fixed territories, which the male defends against intrusion from neighboring harems.
◆ In Hawaii, individuals were found up to 16 years of age in studies, with a depth range of 1 to 130.
◆ On the Kona Coast, the average density of roi is eight individuals per 11,000 square feet.ion
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