Old-fashioned fish regrow fins | Science News

Be a Champion for Science

Get your subscription to

Science News when you join.


News

Old-fashioned fish regrow fins

Fish from an ancient line can regenerate lost limbs with newt-like flair

By
2:17pm, February 22, 2012

The discovery that a long, skinny fish can regrow its fin in a matter of weeks suggests that ancient vertebrates had considerable regenerative powers.

Two species of bichir from Africa can regrow amputated bony fins with remarkable accuracy, says developmental biologist Luis Covarrubias of the National Autonomous University of Mexico in Cuernavaca. Among the most ancient of the living lineages of ray-finned fishes, a group that includes most fresh- and saltwater species, the Polypterus bichirs share traits such as paired lungs with both modern amphibians and very early four-limbed vertebrates.

This article is available only to subscribing members. Join the Society today or Log in.

Get Science News headlines by e-mail.

More from Science News