But the mantis shrimp appears to have met its match in the disco clam, a bivalve whose name I didn’t just make up. When the predator faces this prey, the clam simply opens up its shell to reveal a brilliant ribbon of flashing light. If the mantis shrimp keeps up the attack, it’ll go catatonic for up to 15 minutes. The disco clam is saved, and the mantis shrimp is not only out of a meal but is itself at risk of being eaten, by hanging out there like a punch-drunk prizefighter.

https://archive.ph/mmcLj