鱼叉海扇蛤（学名：Chlamys hastata）为海扇蛤科锦海扇蛤属下的一个种。

Chlamys hastata, the spear scallop, spiny scallop or swimming scallop, is a species of bivalve mollusc in the family Pectinidae found on the west coast of North America from the Gulf of Alaska to San Diego, California. A limited number of these scallops are harvested by divers or by narrow trawls off the west coast of Canada.