where can i buy fishmeal

Bout the nearest you'll get will be blood, fish and bone, assuming you want it for the soil.

I don't think you can just buy fishmeal, as Bamboo says it is blood, fish and bone.

Yes, I think Blood, Fish and Bone is your best bet. You can get it in boxes from garden centres and d.i.y outlets with garden centres attached. It's lovely stuff, organic, and a really good all-purpose feeder - if you can stand the pong! I like it!