Mention beautiful bivalves for the marine aquarium, and the various tridacnid clams (the so-called giant clams) will probably come to mind. Likely, the flame scallops of the genus Ctenoides will too. However, while the tridacnids have a fairly decent survival record in captivity if given proper care and a suitable environment, the flame scallops usually fare dismally in aquariums. The two usual suspects Based strictly on my personal observations, the two flame scallops you’re most likely to come across in the aquarium trade are C. Scaber (formerly Lima scabra), found in the Caribbean, and C. ales (formerly Lima ales), also known as the electric or disco flame scallop, from the Indo-Pacific. They range between 3 and 4 inches in diameter and have white shells and red to orange-red tissues. They also have long, tapering red, or sometimes white, tentacles extending from the mantle
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