Animal species that inhabit this refuge include peregrine falcon, coyote, fox, desert bighorn sheep, greater roadrunner, bobcat, and cougar.

Thousands of bats emerge from historic mines and razorback suckers swim in the back of Beal Lake.

Fish and Wildlife Service has allowed a private contractor to operate a boat, canoe, campsite, RV site, and a store in the refuge at Five-Mile Landing, a 35-acre (14 ha) site with boat ramps at Topock Marsh in the northern part of the refuge.

[3] Many species living in the area include Bullfrogs, Carp, Sunfish, Catfish (Channel), Crappie, Largemouth Bass, and Tilapia.

This article incorporates public domain material from websites or documents of the United States Fish and Wildlife Service.