Humphead wrasse spawn in couples in open water then rise quickly to the surface to release the ova and the spermatozoa. Despite their large size, their are fairly timid, often darting into holes to hide.
In Polynesia, humphead wrasse are victims of their own territoriality. If they are caught out in open water, they will always try to return to their homes on the ocean's slopes. All an underwater hunter needs to do is locate one of those shelters and wait for them there.
Giant wrasse primarily feed on molluscs, crustaceans, sea urchins and fish. Moreover, they are among the rare predators of venomous marine organisms like boxfish, crown-of-thorns sea stars, and sea hares.
Populations of humphead wrasse are on the decline. But after several years of campaigning, the species was finally added to CITES, which regulates international trade in endangered wild flora and fauna.
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