Alpheus (crustacean)

Alpheus
	Alpheus digitalis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Decapoda
Suborder:	Pleocyemata
Infraorder:	Caridea
Family:	Alpheidae
Genus:	Alpheus; Fabricius, 1798
Type species
	Alpheus avarus; Fabricius, 1798
Species
	See species list
Synonyms
	List Alphaeus Fabricus, 1798; Alpheoides Paulson, 1875; Alphous Fabricius, 1798; Asphalius Roux, 1831; Autonomaea Risso, 1816; Autonomea Risso, 1816; Crangon Weber, 1795; Cryptophthalmus Rafinesque, 1814; Dienecia Westwood, 1835; Halopsyche de Saussure, 1857; Nauplius Risso, 1844; Paralpheus Spence Bate, 1888; Phleusa Nardo, 1847; Thunor Armstrong, 1949;

Alpheus is a genus of snapping shrimp of the family Alpheidae. This genus contains in excess of 330 species, making this the most species-rich genus of shrimp. Like other snapping shrimp, the claws of Alpheus are asymmetrical, with one of the claws enlarged for making a popping noise. Some species in the genus enter into symbiotic relationships with gobiid fishes, and others associate with sea anemones.

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