i have a ghk fish probly about a year now. hes in an and around the11-13in ball park and he all ways used to eat a brunch of food recently about the last month he will go and eat maybe one or two peices of frozen krill and thats eat. i do feed that tank every other day i feel like hes way to big for 2 krill every few days to really keep him health. anyone have any idea or should he be fine.