i have had all my bichirs accept just about anything.. raw shrimp.. shrimp pellets.. frozen bloodworms and brine shrimp.. I have a tiny one 3" comin tomorrow night..They get big man I believe around 30" and members on here have them 24-25" ones that I know of. HOw big is the one you got?
mine eats beefheart, but then again, all my fish eats beefheart. I buy them by the pound at the latino supermarket. cheapest there, only 0.80 cents a pound. I stock it in my freezer. I try to give my fish some dried krill too, and pellets. No more feeders here.
i got 2 of these beautiful bichirs and i feed them shrimp, beefheart, mussles and anchovies.. they are very easy to take off live feeders so you don't have to worry about that.. they grow to about 30" from what i read but the biggest one that i've seen personally is about 22" from tip to tip.. mine are about 16" and 10"