A few years ago I had completed a fairly large project - 10 unique and detailed monsters. One of them was the lance ant. https://assetstore.unity.com/packages/3d/characters/creatures/lance-ant-morbidly-scary-game-enemy-186822 I decided this one needed a good texture update. Now there are 5 different versions. You can find them on the Unity asset store or Sketchfab. &list=PLudU__BG5BNs4uTbsMbuWNJT0cd3bHIds ...
You can find this 3d model / game asset on Unity 3d https://assetstore.unity.com/packages/3d/characters/creatures/stabber-eyeball-slug-simple-game-enemy-monster-188000 See the demo videos below. Stabber Slug, Eyeball Monster 3d Game Asset / 3d Model This strange monster is the combination of a slug, an eyeball, and a sharp object, all three of which should be repulsive to each-other. Yet I find they go nicely together. It can be tempting to spin off from other monsters in sci-fi, but as often as I can do that (and do at times) its always worth producing something completely original. To the best of my knowledge this sort of monster has not been designed yet. ...