Image of a spider crab, Libinia emarginata, on top of a crab trap.

Spider Crab

Image by ‘Joey’ on Flickr, CC BY 2.0 Physical: The carapace length of the Spider Crab can reach[…]

Image of a shore shrimp, Palaemonetes species, against a plain black background.

Shore Shrimp

Image by Robert Aguilar, Smithsonian Environmental Research Center, CC BY 2.0 Physical: Shore Shrimp are very common in[…]

Sand Shrimp

Image by Claude Nozeres on World Register of Marine Species, CC BY-NC-SA 4.0 Physical: Sand Shrimp can range[…]

Image of a mantis shrimp against a black background.

Mantis Shrimp

Physical: Mantis shrimp are flat, large-clawed shrimp with three sets of weak walking legs. They have powerful “scissor-like[…]

Long-Clawed Hermit Crab

Image by Mike Hansen on Flickr, CC BY-NC-SA 2.0 Physical: Long-Clawed Hermit Crabs are small, with a maximum[…]

Lady Crab

Physical: O. ocellatus have a pale grayish carapace with clusters of purple spots. They have five marginal teeth[…]

Horseshoe Crab

Physical: Horseshoe crab females grow up to two feet long (60 cm), while the males are noticeably smaller.[…]

Image of a green crab, Carcinus maenas, from above against a black background.

Green Crab

Physical: Green crabs have five marginal teeth around the edge of the carapace. Females are reddish on their[…]