Home » Crabs & Other Crustaceans

Spider Crab

Physical: The carapace length of the Spider Crab can reach up to 3.5 inches, and is often coated in algae or


Shore Shrimp

Physical: Shore Shrimp are very common in the Barnegat Bay.  They are transparent, and reach a length of 5 cm at


Sand Shrimp

Physical: Sand Shrimp can range in color from nearly transparent to mottled brown.  They can reach up to 7.5 cm in

photo of Squilla empusa

Mantis Shrimp

Physical: Mantis shrimp are flat, large-clawed shrimp with three sets of weak walking legs. They have powerful “scissor-like mandibles,” and individuals


Long-Clawed Hermit Crab

Physical: Long-Clawed Hermit Crabs are small, with a maximum shell length of 2.5 cm. They are tan or light gray with


Lady Crab

Physical: O. ocellatus have a pale grayish carapace with clusters of purple spots. They have five marginal teeth along the front


Horseshoe Crab

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


Green Crab

Physical: Green crabs have five marginal teeth around the edge of the carapace. Females are reddish on their ventral surface, while


Science Updates

Learn about the bay’s condition in the 2021 State of the Bay Report.

See current water-quality data from our three continuous monitoring stations in the bay, which transmit data in near real-time to NJDEP.


Upcoming Events

Connect with Us

Sign up for email or connect through social media.