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Humuhumunukunukuāpuaʻa, reef triggerfish, wedgetail triggerfish, rectangular triggerfish, the species Rhinecanthus rectangulus goes by many names! At first I didn't think I'd do this fish (since it is a bit unfair to only be known for your name), but looking through pictures of triggerfishes, one caught my eye... "Ah, the wedgetail triggerfish? What pretty colours and patterns! I could draw that one! What's its scientific name?" and humuhumu it was!
Lagoon Triggerfish moves through the water by using waving motions in its dorsal and anal fins, allowing it to move more precisely. Using these movements, it can move forwards, backwards or simply hover in place above the reef. This means that it can more easily back out of crevices than other unidirectional fish.
Their teeth never stop growing, as they use them to crack open hard-shelled invertebrates! They’re highly territorial, showing off their first dorsal fin as a warning to opponents and predators, and may deliver a painful bite.