Son caught 9 of them & released at pond at Arlington Park in El Cerrito, CA
This Pugettia producta (Northern Kelp Crab) with a 3" carapace was not camouflaged as well as they are when they hide in kelp.
1.5 cm. Can jump a couple inches.
About 1 inch long
Spider crab at new jersey zoo
Lobsters at new jersey zoo
Most of the crayfish that I caught were common crayfish, but I did catch one calico crayfish.
With a net, I was able to catch several common crayfish in a small stream called sucker brook. Sweeping an area of decaying vegetation with a net was particularly productive for catching them.
Malacostraca is the largest of the six classes of crustaceans, containing over 25,000 extant species, divided among 16 orders. Its members display a greater diversity of body forms than any other class of animals, and include crabs, lobsters, shrimp, krill, woodlice, scuds (Amphipoda), mantis shrimp and many other less familiar animals. They are abundant in all marine environments and have also colonised freshwater and terrestrial habitats. They are united by a common Bauplan, comprising 20 body...