Dry peas or wet peas? Should they be refrigerated? Where do I get them? What kind of peas?

Frozen or fresh peas are fine. If you get frozen peas, be sure they are "no salt" peas. Just warm them to soften them up, pop them out of their shells, halve and feed! If your fish are small, you might want to cut the pea halves up into smaller bits or squish them slightly between your fingers to make it easier for them to eat.

Perhaps I should have clarified about "warming up" the peas... It just occured to me that you might leave the peas to "defrost" at room temp., and boy would that be a bother! Run the peas under hot water or boil them a bit to thaw them and make them soft.