What is a fish that eats feeder fish that dosent get too big.?

Question

What i mean is what fish eats feeder guppies or goldfish and gets only 4-8 inches.

Answer 1

axolotls

they need there own food aswell and grow a little over 10 inches  

Answer 2

Most fish will any other fish that fits in their mouth.

http://www.aquahobby.com/e_freshwater_tr...

Good link, has most freshwater fish and brief description. The best thing is the posts below. You can see many people's opinions on fish and what they have or have not done in their own aquarium.

Answer 3

guppies and goldfish are not a very nutritious diet but as a treat they are ok. You could get a dwarf snakehead.