alpheus

[ Alpheus, a river in the Peloponnesus, or a fabled god presiding over it.] A genus of Crustaceans, the typical one of the family Alpheidæ. Two species-the A. ruber, or Edwards's Red Shrimp, and A. affinis, or the Scarlet Shrimp-have occurred, though rarely, in the British seas. Al-phirk, s . [Corrupted Arabic.] A fixed star of the third magnitude, called also β Cephei.