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  2. Freshwater crab - Wikipedia

    en.wikipedia.org/wiki/Freshwater_crab

    Every species of freshwater crab described so far has been assessed by the International Union for Conservation of Nature; [6] of the species for which data are available, 32% are threatened with extinction. [5] For instance, all but one of Sri Lanka's 50 freshwater crab species are endemic to that country, and more than half are critically ...

  3. Austrothelphusa transversa - Wikipedia

    en.wikipedia.org/wiki/Austrothelphusa_transversa

    Austrothelphusa transversa (von Martens, 1868), also known as the inland crab, freshwater crab, or tropical freshwater crab [3] is a species of freshwater crab endemic to Australia. [1] A. transversa is the most widely-dispersed species of its genus, as it has adaptations giving it a high tolerance to drought and arid conditions. [4]

  4. Category:Crabs - Wikipedia

    en.wikipedia.org/wiki/Category:Crabs

    Crabs are members of infraorder Brachyura. 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.

  5. Potamon potamios - Wikipedia

    en.wikipedia.org/wiki/Potamon_potamios

    The Levantine freshwater crab is a semi-terrestrial species that is very active both on land and in the water. They are not social and they exhibit aggressive and territorial behavior, especially during breeding season. [3] In this species, medium-sized individuals are nocturnal, whereas the larger ones are diurnal. [1]

  6. Quarter of freshwater animals at risk of extinction ... - AOL

    www.aol.com/quarter-freshwater-animals-risk...

    The assessment found that crabs, crayfish and shrimps face the highest extinction risk of the groups studied, with 30% under threat, followed by 26% of freshwater fish species, and 16% of ...

  7. List of U.S. state crustaceans - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._state_crustaceans

    The blue crab, Callinectes sapidus was chosen as the state crustacean of Maryland in 1989. [17] C. sapidus is a crab found in the waters of the western Atlantic Ocean, the Pacific coast of Central America and the Gulf of Mexico. The blue crab may grow to a carapace width of 230 mm (9.1 in).

  8. Potamonautes sidneyi - Wikipedia

    en.wikipedia.org/wiki/Potamonautes_sidneyi

    Potamonautes sidneyi is a species of freshwater crab in the family Potamonautidae. The common name is the Natal river crab or Sidney's river crab , [ 1 ] although they may also be referred to as "river crabs", "fresh water crabs" or "land crabs".

  9. Arcopotamonautes platynotus - Wikipedia

    en.wikipedia.org/wiki/Arcopotamonautes_platynotus

    Arcopotamonautes platynotus is a species of freshwater crab which is endemic to Lake Tanganyika, where it is the only freshwater crab outside the genus Platythelphusa. [2] Although primarily aquatic, A. platynotus is sometimes seen out of water, and can survive for many hours without water. [1]