The tadpoles of torrent‑stream frogs stick to rocks in fast‑flowing waters via enlarged mouths with suction lips.

“[T]he torrent-stream frog’s tadpoles thrive in this tumultuous environment because they have evolved enlarged mouths with suction lips that enable them to stick to the surface of a rock while grazing on the algae growing there.” (Morell 2001:106-123)

Last Updated August 28, 2020