Geloina expansa (Mousson, 1849)
Broad geloina
photo by Coltro, Marcus

Family:  Cyrenidae ()
Max. size:  10 cm SHL (male/unsexed)
Environment:  benthic; brackish; marine
Distribution:  Indo-West Pacific: from India to Vanuatu; north to Viet Nam and south to eastern Java.
Diagnosis:   
Biology:  Widely collected as food in Asia (Ref. 348). Brackish to almost fresh water areas of mangrove swamps. Diurnal rhythm of activity and inactivity strongly depending on the tides and rainfall. Can survive during drought periods by aerial respiration at the posterior mantle margins (Ref. 348).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans:  harmless
Country info:   
 

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