- Main article: Creatures (Online)
There are five different types of mudcrabs, including variants such as larger, stronger ones. The basic mudcrab only has a burrowing attack, while higher-level mudcrabs have many more powerful attacks.
- Bleakrock Isle - Level 3 creature
- Khenarthi's Roost
- Stros M'Kai - Level 2 creature
- Swarming Mudcrab (Fungal Grotto)
- Nibenay Mudcrab, a pet included with the Imperial Edition.
- Rufous Mudcrab, a pet that can be acquired with a code received with the purchase of an official mudcrab plush.
- The Elder Scrolls III: Morrowind
- The Elder Scrolls IV: Oblivion
- The Elder Scrolls V: Skyrim
- The Elder Scrolls Online