Star-fingered toads use fingertip lobules to detect prey in murky water

Surinam toads (Pipa pipa) are strange, flat frogs with minuscule eyes that live in the murky waters of the Amazon basin and carry their eggs on their backs. The way they catch prey is even weirder. They lie in wait with outstretched forelimbs until a small fish approaches, then snap open their jaws to create enough suction to draw the fish into their tongueless mouths and swallow it whole, all in a few hundredths of a second. But how do these frogs hunt in low visibility with poor vision?

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