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Ctenoides ales is a species of saltwater clam, a marine bivalve mollusk in the family Limidae, the file clams. It is known by the names electric flame scallop, disco scallop, electric clam and disco clam.
The clam has been given these nicknames because its soft tissues flash light like a disco ball. Along with Ctenoides scaber, they are among the only bivalves known to have light displays.
The electric clam is widespread throughout the tropical waters of the central Indo-Pacific region from Indonesia to Palau Islands and New-Caledonia.