Sea life - Mantis Shrimp - A predatory marine crustacean with a pair of large spined front legs that resemble those of a mantis and are used for literally beating prey into submission. Ounce per ounce, nothing in the animal kingdom hits harder.
Chesapeake Blue Crab modelled graphic in this case) Callinectes sapidus, also; the blue crab, Atlantic blue crab is a species of crab native to the waters of the western Atlantic Ocean and the Gulf of Mexico, and introduced internationally.
Hermit Crab - Hermit crabs are decapod crustaceans of the superfamily Paguroidea. Most of the 1100 species possess an asymmetrical abdomen which is concealed in an empty gastropod shell carried around by the hermit crab.
New Family of deep-sea crab from hot vents. Its conspicuous fur(-like processes) has given it the informal name, Yeti crab, after the hairy abominable snowman. (Edited to explain that crustaceans don't have fur, appearances to the contrary.