That's a species of horseshoe crab. Horseshoe crabs are marine arthropods of the family Limulidae. They live primarily in and around shallow ocean waters on soft sandy or muddy bottoms. There are four genera in the family Limulidae:
1. Carcinoscorpius
2. Limulus
3. Mesolimulus (This genus is extinct)
4. Tachypleus
It's a horseshoe crab.
Horseshoe Crab, it says under the picture in the tags aha. ( I never knew myself tbh )
horseshoe crab, pretty cool looking animals.
brianna, i seen some pretty funny looking baby pictures, but yours is by far the best.
You.
http://lambiarts.photoshelter.com/image/I00006gmPVFinFxA