Otophryne is a small genus of microhylid frogs from northern South America.

[1] Adult Otophryne are diurnally active leaf mimics.

Tadpoles burrow into the sandy bottom of shallow streams.

They are extremely specialized with minute, dagger-like, keratinized teeth, and a long spiracular tube on the left hand side of its body.

It is suggested that the tadpole is a suspension feeder, using the spiracular tube extending to the bottom surface to create a current through its oral cavity, using its teeth to prevent sand from entering its mouth.