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Sargassum Frogfish - Histrio histrio
The Sargassum Frogfish - Histrio histrio got its common name for the fact that they lives exclusively on Sargassum weeds that floats on the ocean surface. This picture is of a juvenile, around 2 cm in size and its colouration is very similar to the Sargassum weed for camouflage. When they are bigger, they tends to take on darker bands which is only showing as spots in juveniles.
Like all Frogfishes, they are ambush predators. They will just 'sit' still on the Sargassum weed and hunt/feeds on juvenile fishes that also uses the Sargassum weed for protection.
Picture of the environment they lives in can be seen here :
The sargassum fish, anglerfish, or frog fish, ''Histrio histrio'', is a frogfish of the family Antennariidae, the only species in its genus. It lives among ''Sargassum'' seaweed which floats in subtropical oceans. The scientific name comes from the Latin ''histrio'' meaning a stage-player or actor, and refers to the fish's feeding behaviour.
