New Scientist TV has a fascinating video of what it refers to as a “disco clam.” Oddly they don’t provide the scientific name for the clam. My guess is that it isn’t “disco.”
Video captures disco clams producing strobe light show
The disco clam is surely the king of party animals. It’s the only bivalve known to produce a controlled light show, creating a flashing strobe effect as it rolls up then unfurls a reflective lip.