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    Cambarus aculabrum - Wikipedia

    Cambarus aculabrum is a rare species of cave-dwelling crayfish known by the common name Benton county cave crayfish. It is native to Arkansas in the United States, where it is known from only four locations. It is a federally listed endangered species of the United States. 展开

    This crayfish was first described to science as a new species in 1987. There has been little formal study of this species due to its rarity.
    It has been postulated that … 展开

    It is about 48 millimeters (1.8 inches) long. As a stygobite it is adapted to groundwater environments; it lacks pigment, making it white in color, and has only rudimentary eyes. The body and claws bear numerous stiff hairs, while the rostrum is crested with small spines. 展开

    Like other stygobitic crayfish species, the Benton county cave crayfish has an increased lifespan (up to 75 years) and low reproductive and … 展开

    As of 2006, the estimated total population of Benton county cave crayfish was less than 200 individuals. Due to its rarity and extremely restricted range, it was listed as endangered by the 展开

    The crayfish has been found living in three limestone solutional caves in the karst landscape of northern Arkansas; Bear Hollow Cave, Logan Cave and Old Pendergrass Cave in 展开

    Nutrient levels in the cave water are low, and because of this crayfish feeds on detritus washed into the cave from the surface, and on algae, fungus, and other organisms associated with … 展开

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  2. Lithology and disturbance drive cavefish and cave crayfish …

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  4. Crustaceans and Mollusks - Mammoth Cave National Park (U.S.

  5. Benton County Cave Crayfish - U.S. Fish and Wildlife …

    Learn about the endangered cave crayfish that lives in Arkansas caves and streams. Find out its characteristics, habitat, threats, and conservation status.

  6. Miami Cave Crayfish - U.S. Fish and Wildlife Service

  7. A Long-Lost Rare Crayfish Resurfaces in an Alabama Cave

    2022年7月9日 · Thought for decades to be extinct, the tiny animal has stayed hidden in a former subterranean speakeasy. To find the elusive Shelta Cave crayfish, biologist Matthew Niemiller grabbed a snorkel...

  8. Cave Crayfish (Cambarus zophonastes) | Encyclopedia.com

  9. Cambarus zophonastes - Wikipedia

  10. Bristly Cave Crayfish - Missouri Department of Conservation

  11. Faxonius stygocaneyi - Wikipedia