I have a 20 gallon tank with a red fin shark, a pardise guormis, and a snail....and a Dinosaur eel that I just got him his own tank today it is only a 10 gallon but just for him and is prey.....I think that eel is the coolest!! Any good ideas for him some prey....thought about some ghost shrimp....cheap and good size.... hit me back with any Ideas!