Trisidos tortuosa (Linnaeus, 1758)
Propellor ark
Trisidos tortuosa
photo by Coltro, Marcus

Family:  Arcidae ()
Max. size:  8.5 cm TL (male/unsexed)
Environment:  benthic; marine; depth range 0 - 50 m
Distribution:  Indo-West Pacific: from East Africa, including the Red Sea and the Persian Gulf to Papua New Guinea; north to Japan and south to Queensland.
Diagnosis:   
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans:  harmless
Country info:   
 

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