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Maja Squinado (European Spider Crab) in it's natural environment on the sea bed off Portwinkle in south Cornwall.
Maldivian crab close-up
Sea spider crab resting on top of a rock at the bottom of the sea
Small-dot Anemone Crab or Porcelain Anemone Crab Neopetrolisthes maculatus (ex. Neopetrolisthes ohshimai) occurs in the tropical Indo-Pacific in a depth range usually from 5 to 20m, max. size 7cm, average size 3cm. The non-territorial species lives as a couple or alone, protecting its eggs from nearby predators. Porcelain crabs are filter feeders and they filter water with their mouthpart appendages (known as the third maxillipeds) rather than using their antennae. \nThis specimen was encountered in a Merten's Sea Anemone Stichodactyla mertensii in the Lembeh Strait, North Sulawesi, Indonesia\n1°28'47.196 N 125°14'12.42 E at 17m depth
Callinectes sapidus, Blue crab. close up view.
Blue Crab Underwater
striped shore crab near rocks in a  Monterrey County shoreline
Paralithodes camtschaticus. Red king crab on underwater bottom.
Eriphia verrucosa, sometimes called the warty crab or yellow crab, is a species of crab found in the Black Sea, Mediterranean Sea and eastern Atlantic Ocean
A crab ready to be cooked in a Tofino tank
Colorful pet rainbow crab Cardisoma armatum in aquarium
Swimming Crab or Harlequin Crab Lissocarcinus laevis occurs in tropical Central Pacific in a depth range from 9-82m. The size of the carapace is max. 3cm. \nHarlequin crabs are predators, that eat shrimps and other tiny planktonic organisms, as well as leftover food from their hosts. \nThe last hind legs are larger and flatter than the other ones. This is typical for crabs of the Portunidae family, the swimming crabs. With these flattened hind legs, they are capable of swimming through the water column, when the need arises. However, like most swimming crabs, Lissocarcinus laevis prefers to keep its feet firmly on the seafloor, or on its host for that matter. \nThis specimen was encountered in the Lembeh Strait, Indonesia.\n1°28'47.196 N 125°14'12.42 E at 10m depth
silhouette crab underwater with caustic 3d renderingsilhouette shark underwater with caustic 3d rendering
Munida quadrispina is a species of squat lobster. The claws, chelipeds, are exceptionally long. There are small spines on the chelipeds. Monterey Bay, California.
a sea spider in a big fish tank near the glass
A small crab in shallow water at a beach.
Porcelain Crab on Anemone
beautiful sea pink crab in a blue aquarium
Crab (Liocarcinus depurator) in natural habitat
Blue Crab Underwater
The japan spider king crab or alaska king crab at aquarium , Osaka ,Japan
spanner crab in a saltwater aquarium.
Finger coral  and  Crab claws, Underwater, Abstract, Sea life  Macro, close up. Coral reef  Underwater photo Scuba Diver Point of View Red sea
Philippines PG Island - Close-up of underwater creatures
Soft Coral Crab or Dendronephthya Crab Hoplophrys oatesii occurs in the tropical Indo-Pacific in a depth range from 1 to 90m, max. size of the carapace is 2cm. \nThe species lives on various species of Dendronephthya, camouflaging itself by mimicking the colours of the polyps among which it hides. \nIt adds further camouflage by attaching polyps to its carapace (like this specimen). The colors can be white, pink, yellow or red. They vary depending on the colour of the coral. The first pair of legs has small claws. The body is similar in appearance to the host coral and has sharp spines with a red and white pattern. Hoplophrys oatesii feeds on plankton. \nLembeh Strait, Indonesia\n1°27'15.486 N 125°13'25.578 E at 4m depth
Starfish against the glass of an aquarium exposing their underside to see all the sucker feet
The purple shore crab, Hemigrapsus nudus or the naked shore crab is a common crab of the family Varunidae that is indigenous to the west coast of United States, Canada, and Mexico.  Salt Point State Park, Sonoma County, California.
A Porcelain Crab in Lembeh Strait in Indonesia
Brachyura
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