I don't think there filling him up for long enough though , few king prawns must take much longer to digest , ill have to up my feeds while he's eating them , my jags back and coloured up nice again now he's got his pipe back , apparently my mate said the new cat hand feeds but im yet to see it in my tank don't think he'll get the chance the Asian aro he was with before was real shy never seen an aro like it even feeders seemed to scare it and it 24" lol