From time to time giant (tridacnid) clams will spawn in aquaria, ejecting clouds of sperm, and sometimes eggs, too. Usually this is a sign of excellent health, but it can also be a reaction to heavy stress.…


From time to time giant (tridacnid) clams will spawn in aquaria, ejecting clouds of sperm, and sometimes eggs, too. Usually this is a sign of excellent health, but it can also be a reaction to heavy stress.…

Well, I wrote a book about tridacnid clams (Fatherree 2006a) and have been traveling around talking about them at club meetings and conferences for a couple of years now. I generally talk about providing them with sufficient lighting and whether or not they should be feed in aquariums, but I consistently get hit with the same story and questions wherever I go.…