Hermit crab (on a surf board)
One of the many that were found today.
lots of dungeness crabs washed up on Stinson beach today - this one was alive, albeit being pecked apart by seagulls
Brown-beige color all around, legs and body look spotted or striped. Greenish eyes at the top of the carapace, line down the center of the shell. Has a "dot" in the middle of the back. Little whitish hairs on the legs. About 1.5" wide. Was extracted from oyster cluster on red mangrove roots.
The decapods or Decapoda (literally "ten-footed") are an order of crustaceans within the class Malacostraca, including many familiar groups, such as crayfish, crabs, lobsters, prawns and shrimp. Most decapods are scavengers. The order is estimated to contain nearly 15,000 species in around 2,700 genera, with approximately 3,300 fossil species. Nearly half of these species are crabs, with the shrimp (c. 3000 species) and Anomura (including hermit crabs, porcelain crabs, squat lobsters: (c. 2500 species), making up the bulk...