What Do Datnoids Eat?

[notus]

hi for some reason my datnoid wont eat anything iv been trying to feed him pellets,frozen and dried shrimp but he only looks at it until someone else eats it.can someone tell me what else they eat?....

 

[cane76]

is it new?sometimes they can be difficult at first.how long aint it eaten for?
that is a cambelli you have right?,i lost one a while back