White-clawed Crayfish

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Partner: Norfolk Rivers Trust
The white-clawed Crayfish (Austropotamobius pallipes) is facing local extinction due to habitat loss, pollution, and competition from invasive species. To support their conservation, a hatchery was established at Banham Zoo in collaboration with Norfolk Rivers Trust. This facility, funded by a£95,300 grant from the Government’s Green Recovery Challenge Fund, aims to breed and rear white-clawed crayfish in captivity before releasing them into the wild to restore local populations.
The project continues to successfully transfer female crayfish carrying eggs to the hatchery, where they are being carefully reared. Ongoing efforts focus on releasing hatchlings, pending legal testing and licensing, while staff actively train in tagging techniques for future monitoring.
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Why is the white-clawed crayfish endangered?
The white-clawed crayfish is facing local extinction due to habitat loss, pollution, and competition from invasive species like the American signal crayfish. These threats have significantly reduced their populations, making conservation efforts essential.
How is Banham Zoo helping to conserve white-clawed crayfish?
In partnership with Norfolk Rivers Trust, Banham Zoo has established a hatchery to breed and rear White-clawed Crayfish in captivity. Once the crayfish reach a suitable stage, they are released into the wild to help restore local populations. The project also includes training in tagging techniques for future monitoring and population tracking.
How can I support Banham Zoo?
There are many ways to support us! You can become a member, make a one-time donation, adopt an animal, join as a corporate partner, leave a legacy gift, or volunteer your time. Explore our Support Us page for details on each option.