Well, folks, not only do you now know what Axolotls eat, but also why you should go through the trouble in Minecraft. For more related content, check out the links below.

Frogs eat and are attracted to slimeballs. Players should equip at least two slimeballs in their right hand and feed them to their two frogs. As a result, they will trigger love mode for the frogs ...

This carries over into Minecraft, where they only eat buckets filled with live tropical fish. In other words, if you kill a fish and pick it up, or catch it with a fishing rod, they won't eat that.