Liza

Liza (リーザ, Rīza) is a Lizardman that appears in Monster Musume: Everyday Life with Monster Girls Online.

Zoological Classification
Lizardfolk, or Lizardmen, are a demihuman race that possess lizard-like attributes such as claws, scales and a detachable tail.

A lizardfolk's tail stores their body's nutrients. If they should lose their tail, worse case scenario is that they'll die of malnutrition.