The Cascade Caverns Salamander is translucent, with a faint net-shaped pattern that is brown in color, often with white speckling. They are almost entirely subterranean, living in spring waters deep in limestone rock strata, so gauging the exact extent of their geographic range or even their population numbers is virtually impossible.

Cascade Cave Amphipod

Stygobromus dejectus, the Cascade Cave amphipod, is a small crustacean that typically grows to be about 10 millimeters long. It is a blind, cave-dwelling species that is endemic to Texas. Commonly called "Cave Shrimp" is a fascinating creature that plays an important role in the cave ecosystem. Its small size and blind eyes are adaptations to its cave-dwelling lifestyle.

Cave Crickets (Rhaphidophoridae) are a common sight in Cascade Caverns. They are typically about 1 to 2 inches long and have long, slender bodies and legs. They are attracted to the cave's moist and humid environment, and they play an important role in the cave's ecosystem. They help to control populations of other insects, and they also provide food for bats and other cave-dwelling animals. They are not venomous and do not pose a threat to humans.

Tri-colored bats (Perimyotis subflavus) are a small species of bat common in Cascade Caverns. They are about 3 inches long and have a wingspan of about 10 inches, making them the second smallest bat species in North America. They are brown on the back and paler on the belly. They have a distinctive tri-colored pattern on their back, with a brown stripe down the middle and two white stripes on either side. Be sure to keep an eye out for them. They're a fascinating part of our cave's ecosystem.

Cave Meshweaver - (Cicurina madla) is a rare species of spider in the family Dictynidae. They have no functional eyes. They were federally listed as endangered species in the year 2000. Females are cream-colored, with a body length of 4.8–6.7 mm. Males have a palpal bulb with a relatively narrow, elongated cymbium and an oblong tegulum.