seahare

Does somebody know the exact spices of the sea hare in the photo?

Hello all! I have a fluval Evo 13.5 AIO. My seahare decided to squeeze through the tiny hole on the AIO divider. It was alive and immediately went back to eating when i put it back in the DT (and I closed that hole again. Sneaky little seahare). But I've noticed that its shell is exposed...