Shearblug

"What an odd creature! It lives on both land and water, and seems puffy, but shows spikes when threats approach. I find myself curling up when scolded as well, but alas, I have no spikes to present. What can I say? I'm a pacifist."

- Log entry

The Shearblug is a lesser-known species of semi-aquatic mandiblard discovered on PNF-404. It is the only mandiblard known to survive, at least partially, underwater.

Biology
Not much is known about the Shearblug. What is known is that it has an armored back with retractable spikes. It is capable of rolling into a ball and strikes its enemies by rolling into them.