Tridacna maxima (Röding, 1798)
Elongate giant clam
Tridacna maxima
photo by Poppe, Guido and Philippe

Family:  Cardiidae (cockles)
Max. size:  41.7 cm SHL (male/unsexed)
Environment:  reef-associated; brackish; marine; depth range 0 - 35 m, non-migratory
Distribution:  Indo-Pacific: Egypt to Pitcairn Islands and Ogasawara, Japan to Lord Howe Island.
Diagnosis:  The mantle color is highly variable, ranging from bright blue to brown.
Biology:  Collected for food and for the shell trade. Aquaculture trials have been done in 1998 (Ref. 348). Maximum depth from Ref. 75831.
IUCN Red List Status: (LR/cd); Date assessed: 01 August 1996 Ref. 123251)
Threat to humans:  reports of ciguatera poisoning
Country info:   
 

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