Latest Issue of Science News


News

Marine creature cooks up chemical defense from food

Sea hare turns algal pigment toxic to ward off crabs and other predators

One beastie’s pigment is another’s poison. The marine-dwelling sea hare converts pigment from its food into a chemical weapon, a new study shows.

It is the first description of an animal taking photosynthetic pigment from its diet and turning it into a molecule that can wield off would-be attackers, researchers report in an upcoming issue of Animal Behaviour.

Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.

X
This article is available only to subscribing members. Join SSP today or Log in.