![]() Sometimes, initial phase males will mimic themselves as a female and attempt to join a harem in order to try and fertilize eggs and take over. When this fish dies, one of the second phase fish will change sex and behavior and become the new dominant male. Parrotfish usually live in harems with one terminal phase fish as the dominant male. The terminal phase includes mature males which have bright and brilliant colors.The second phase, known as the initial phase, includes sexually mature males and females which are impossible to sex without internal examination or close observation during spawning.The first phase is when they are sexually immature these juveniles are usually dull in color.These species go through three very distinct phases. To complicate things further, some species have both primary and secondary males. The humphead parrotfish (bumphead parrotfish, green humphead parrotfish, giant humphead parrotfish. It can be found in seagrass beds and sheltered lagoons. Quick facts about one of the largest coral reef fish. ![]() It is native tropical waters of Indo-Pacific. Some species don’t have secondary males, and others do. Green humphead parrotfish is the largest species of parrotfish it can reach 160 lb (74kg) and 60 inches (150cm). Share on FacebookShare on Facebook TweetShare on Twitter Pin itShare on Pinterest Share on. Some fish are born male (they are known as primary males), others are born female and make the change to male (secondary males), and others remain female for their entire life. Parrotfish have one of the most complex and interesting reproductive techniques in the world. Rocks and coral can be extremely hard so it goes without saying that their teeth are some of the strongest and hardest on the planet! Parrotfish use their teeth and pharyngeal teeth to grind up the rocks and coral which they then ingest.
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