Fish escapes from marine farms raise concerns about wildlife | Science News

ADVERTISEMENT

MISSION CRITICAL

Support credible science journalism.

Subscribe to Science News today.


Feature

Fish escapes from marine farms raise concerns about wildlife

Scientists worry that the runaways could harm native species

By
4:12pm, September 7, 2016
sea bass

SMOOTH CRIMINAL  Farmed sea bass (Dicentrarchus labrax) and other fish frequently escape from sea cages out into the ocean. Researchers worry that escapees, like this sea bass found off the coast of Tenerife in the Canary Islands, could threaten wild ecosystems. 

On the dock in Buenaventura, Colombia, the fisherman needed help identifying his catch. “I don’t have any clue what this is,” he said, holding a roughly 50-centimeter-long, grayish-brown fish. Gustavo Castellanos-Galindo, a fish ecologist, recalls the conversation from last October. “I said, ‘Well, this is a cobia, and it shouldn’t be here.’ ”

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

Get Science News headlines by e-mail.

More Earth & Environment articles

From the Nature Index Paid Content