Fists can easily knock a Dilo out. There spit can help you hunt or defend you from other survivors. In groups of 3 or more they are dangerous.

Put a bunch of stone on them and put them on your roof on aggressive and you have a spit turret

A good first defensive game. Their acid attack slows all dinosaurs and can be a lifesaver early to mid game.

Alone not very affective but I once had a group of 7 and they took out a carno with easy as well as other aggressive creatures

This is a very over looked tame. I have a pack of 10 and they were all tamed at 150s. Set them all on a lvl 105 rex to actually get them killed to decrease my tame cap. And they murdered the rex lol