A glimpse into an unknown world: take a peek inside a Mexican pupfish egg 🐟 The Potosi, La Palma and Charco Palma pupfish are Extinct in the Wild, which means they only exist under human care in zoos or aquariums. Conservation Zoos like Whipsnade provide specialist care to these fish, breeding and revitalising their populations within our zoos and working with other zoos to increase their population size, with the aim of releasing them when safe, wild habitat is identified. Most recently, Whips