Sargassumfish

Sargassumfish

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Credit: DANT FENOLIO/SCIENCE PHOTO LIBRARY

Caption: This Sargassumfish or sargassum angler, Histrio histrio, lives in floating mats of Sargassum Weed in the Atlantic and Caribbean. Many anglerfish/frogfish species can change the colour and even the cryptic patterns on their bodies depending on the substrate where they reside. The disguise hides them from potential predators and potential prey. Anglers have a fishing pole-like structure, the illicium, that emerges from their head and can be rocked back and forth. At the end of the pole is a structure known as an esca. The esca is the equivalent of a lure, which attracts small prey by mimicking a potential food item like a shrimp or small fish. The potential prey are drawn to within striking distance of the frogfish's cavernous mouth, which is opened

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Keywords: aggressive mimicry, ambush predator, angler, angler fish, anglerfish, antennariidae, camouflage, crypsis, cryptic, cryptic predator, esca, frogfish, histrio, histrio histrio, illicium, lophiiformes, lure, plant mimic, sargassum fish, sargassum weed community, sargassumfish

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