A huge giant clam, Tridacna gigas, grows on a shallow coral reef amid the tropical islands of Raja Ampat, Indonesia.

animal animal themes animals in the wild aquatic beauty in nature biodiversity biology bivalve clam color image coral coral reef coral triangle day ecology ecosystem endangered species giant clam growth heterodont horizontal indo pacific ocean indonesia invertebrate large living organism marine biology melanesia misool mollusk nature new guinea no people ocean oceania outdoors photography raja ampat reef reefscape sea sea life shallow southeast asia species symbiosis symbiotic relationship tridacna tridacna gigas tridacninae undersea underwater waigeo wayag west papua wilderness wildlife zoology