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Crabs are various species of decapods. They are crustaceans with five pairs of legs, the first pair modified to form a pair of pincers, a flattish shell, and a short, broad abdomen folded under its thorax. There are two main groups of crabs: the Brachyura or true crabs, and the Paguroidea, or hermit crabs. Crabs are related to lobsters and shrimps.
Groups of crabs include:
- Blue crab
- Dungeness crab
- Coconut crab
- Fiddler crab
- Ghost crab
- Hermit crabHermit crabs are crustaceans of the group Paguroidea closely related to true crabs of the group Brachyura. Most hermit crabs salvage empty seashells to shelter and protect their soft abdomens. There are about five hundred known species of hermit crabs in
- Japanese spider crabJapanese spider crab : Animalia : Arthropoda : Crustacea : Malacostraca : Decapoda : Pleocyemata : Brachyura : Majidae (spider crabs) Macrocheira Macrocheira kaempferi Binomial name Macrocheira kaempferi C. Temminck, 1836 The Japanese Spider crab Macroche (largest crab alive)
- Jonah crab
- Lady crabLady Crab : Animalia : Arthropoda : Crustacea : Decapoda : Portunidae Ovalipes ocellatus Binomial name Ovalipes ocellatus ( Herbst, 1799) The lady crab Ovalipes ocellatus is a crab that is usually found on sandy shallow water. Normally, a very difficult h, Calico crab
- Mangrove crabMangrove crab : Animalia : Arthropoda : Crustacea : Malacostraca : Decapoda Mangrove crabs have been shown to be ecologically significant in many ways. They keep much of the energy within the forest by burying and consuming leaf-litter. Furthermore, their
- Mole crabMole crab : Animalia : Arthropoda : Crustacea : Malacostraca : Decapoda : Pleocyemata : Anomura : Hippidae Emerita talpoida Binomial name Emerita talpoida Say 1817 Mole crabs Emerita talpoida are oval-shaped crustaceans. The scientific name for a mole cra
- Mud crabMud crabs : Animalia : Arthropoda : Crustacea : Malacostraca : Decapoda : Pleocyemata : Brachyura Xanthidae Genera ''Actaea Allactaea Atergatis Banareia Carpoporus Etisus Melybia Xantho The Mud crabs are a family of crabs., Black fingered mud crabBlack-fingered mud crab : Animalia : Arthropoda : Crustacea : Malacostraca : Decapoda : Pleocyemata : Brachyura : Panopeidae Panopeus herbstii Binomial name ''Panopeus herbstii H. Milne-Edwards, 1834 The black fingered mud crab is the largest mud crab., White-tipped mud crabWhite-tipped mud crab : Animalia : Arthropoda : Crustacea : Malacostraca : Decapoda : Pleocyemata : Brachyura : Panopeidae Rhithropanopeus harrisii Binomial name Rhithropanopeus harrisii Gould, 1841) The White-tipped mud crab Rhithropanopeus harrisii is a
- Oyster crab
- Rock crab
- Pea crab
- Purse crab
- Spider crab
- Stone crab
- Heike crab
A number of animals with a similar shape are commonly called crabs, including the crab louse (an insect), the Horseshoe crab (in the class Merostomata). The crab louse is the origin of the slang term "crabs" for an infestation of pubic lice.
A crab is any of various machines used to hoist heavy objects.
A Crab landing is a method of landing an airplane in a crosswind, so named because many crabs walk sideways.
A crab is a type of misapplied stroke in rowing when the oar is pulled round past the oarsman.
A Crab is a type of scratch turntablists use, involving flickering the crossfader between your thumb and your fingers, starting with the pinky and ending with the index.
Crabs
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