Guppy Gape (IMAGE)

Brown University

Guppy Gape

Caption

A guppy born in a less competitive environment (left) has a less mature jaw that doesn't swing as widely, while a guppy born to more competition for food (right) has a jaw that opens wider at a key joint.

Credit

Terry Dial

Usage Restrictions

with credit

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.