AFAIK, it is only profitable for those with access to the ocean, and the knowledge is consider as proprietory information that rarely shared. However, there are some scientific articles on the web. Just do a search using the scientific name and keywords like "hatchery" etc.
Thanxs
That was plan A, search the net.Lots of good info.
I hoped someone here may have tried importing and rearing like mabey 1/4 to 1/2 inch size clams to rear.
Not actualy breeding them.