Littoraria angulifera (Lamarck, 1822)
Mangrove periwinkle
Littoraria angulifera
photo by Coltro, Marcus

Family:  Littorinidae (periwinkles)
Max. size:  4.1 cm ShL (male/unsexed)
Environment:  benthic; brackish; marine; depth range 0 - 1 m
Distribution:  Western Central Pacific and Atlantic Ocean.
Diagnosis:   
Biology:  This amphi-Atlantic species is geographically isolated from its Indo-Pacific congeners, but like them, this species exhibits a wide variation in shell shape and structure as well as color which is attributed to effects of changes in its habitat (notably water temperature and currents) and possible stress from desiccation (Ref. 84131).
IUCN Red List Status: (LC); Date assessed: 23 September 2019 Ref. 123251)
Threat to humans: 
Country info:   
 

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