Pupfish

What eat pupfish?
Other species tolerate huge swings in temperatures or salt content three times higher than ocean water. Pupfish feed on a variety of things, including...
Is a pupfish big or small?
Most pupfish are very small, some less than an inch (2.5 centimeters) in length. Pupfish are found in isolated aquatic habitats in the southwestern Un...
Where do pupfish live?
Pupfish are found in isolated aquatic habitats in the southwestern United States. Individual species are known to live in very small localities. How d...
What color are pupfish normally?
Males are larger than females, and they sport an iridescent blue color and yellow-orange fins during the mating season. Females and young pupfish have...