Anglerfish
Like all anglerfishes, frogfish use a lure to attract prey, akin to a fisherman and his bait. Its front most dorsal fin, called the illicium, is topped with a lure, known as the esca.
While the rest of the fish is camouflaged, the frogfish waves and vibrates the illicium, causing the esca to resemble prey. Curious fish approach the lure, thinking that it is food. When it is close enough, the frogfish quickly expands its mouth and sucks in the prey, in as little as 6 milliseconds.
© Randall, J.E. via eol

Anglerfish

Like all anglerfishes, frogfish use a lure to attract prey, akin to a fisherman and his bait. Its front most dorsal fin, called the illicium, is topped with a lure, known as the esca.

While the rest of the fish is camouflaged, the frogfish waves and vibrates the illicium, causing the esca to resemble prey. Curious fish approach the lure, thinking that it is food. When it is close enough, the frogfish quickly expands its mouth and sucks in the prey, in as little as 6 milliseconds.

© Randall, J.E. via eol

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