Disco Clam!

The clam was flashing red lights!
The clam was flashing red lights!

Ctenoides ales, known to scuba divers as the “electric clam” or “disco clam”, is a species of saltwater clam, a marine bivalve mollusk in the family Limidae, the file clams. The clam has been given these nicknames because its soft tissues flash light like a disco ball.

Studies revealed that it is not a bioluminescence phenomenon, but is instead coming from reflection of the ambient light, either the sun or diving light.  It was my second sighting when we dive  in Moalboal last June,  a rare specie I didn’t encounter them in any other dive sites we visited so far.

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