Egg-enut is an enemy in the Yoshi series only appearing in Yoshi's Island DS. It's a small species of Nep-Enut that has a Yoshi Egg on it's long antenna.
Yoshi's Island DS[]
Egg-enut only appear in Yoshi's Island DS. They can be found in Warp Pipes or water if Yoshi gets too close to it.
The Egg-enut will whip back its antenna and wave it til Yoshi or your colour moves away from it or hit it with an egg to make it go back into it's dwelling.