Useful article on Mbuna diet here http://www.cichlid-forum.com/articles/feeding_mbuna.php
I wouldn't be putting krill in a mbuna tank.
I suspect your crayfish will do fine on the stuff that is good for the mbuna - I recall a crayfish I kept being perfectly happy to eat NLS Cichlid Formula and Spirulina tablets...I use nutrafin spirulina tablets myself.
I wouldn't be putting krill in a mbuna tank.
I suspect your crayfish will do fine on the stuff that is good for the mbuna - I recall a crayfish I kept being perfectly happy to eat NLS Cichlid Formula and Spirulina tablets...I use nutrafin spirulina tablets myself.