See live Gila Topminnow, Desert Pupfish, and Roundtail Chub. Learn about the unique adaptations of our native fish species in Arizona and the negative impacts nonnative fish/illegally stocked fish have on their communities. Learn about the department’s efforts to conserve native species, how we sample for them, and how to identify these fish. Set up outside – no admission required to visit display. Museum admission required to enter museum. Museum Members are free as always. No reservations needed.