Tridacna derasa in aquarium
描述：
Description: English: A tridacna derasa clam in a reef aquarium. Date: 25 October 2013, 01:15:32. Source: Own work. Author: WDavis1911.
Description: English: A tridacna derasa clam in a reef aquarium. Date: 25 October 2013, 01:15:32. Source: Own work. Author: WDavis1911.
