12g nano

what kind of lighting do you have? How long have you had the clam in there?

i have pc...have had the clam a lil' over a year

It's pinching badly, it needs more light.

It has done well for this long because it was smaller and relied on nutience in the water, now it is larger and needs light to live.

Travis...i posted a close up of the clam, please tell me why it is pinched. Thanks.