do they DO what the people SAY they do? filter the water of algae and stuff? and do they do well with goldfish?

Interesting Article about them

http://www.thekrib.com/Fish/clams.html

thanks koko. *hugs and kisses*

They also have a lot of freshwater "golden" clams available at aquabid.com in the invertabrates section. I won an auction for 20 of them, so I'll inform you of what they're like once they arrive.