And maybe it wasn't a bad idea
The giant thing swam closer to the sergeant damselfish's nest on the coral reef, but the paterfamilias guarding the eggs didn't back down one bit. He darted and nipped threateningly at the huge, intruding shape, that is, to the extent that a 13-centimeter fish can threaten something that's more than 10 times its length.
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.