Predator fish for 40 gallon

[beau1990]

Yes should take to pellets I'm not sure as far as cost goes you'll have to look around

 

[The guy of fish]

are red Wolf fish personable? I know I sound picky but I m curious to know if they come up to the front of the tank to greet you or not.

 

[beau1990]

Well once most fish recognize you as the food source they will swim out to the front of the tank