"Ward's Phenomena"

Create a balanced ecosystem in your aquarium with the addition of these small, freshwater algae eaters. They reproduce rapidly, laying their eggs on the glass sides of the aquarium.

Crayfish are a mixture of Orconectes immunis and Orconectes virilis.

Study the Rotifera under your microscope to discover the variety of structures among them. Subculture them in Alfalfa or Hay medium to increase your supply. Species may vary based on availability.

These bottom-dwelling bivalved crustaceans are found in nearly every aquatic habitat.

These slugs maintain a marine aquarium’s ecological balance by feeding on algal growth.

Black Planaria are a flatworm commonly used in science fair projects. They do not bite and move very slowly, making them easy for young students to observe.

This unusual-looking Echinoderm, a small ball-shaped organism, displays radial symmetry. It moves via tube feet.

Cucumaria sp. These creatures have oral tentacles used to catch food and then pull the food into its body to digest.

This brightly colored marine anemone has unusually long tentacles, making it stand out in almost any aquarium.

Uca sp. The fiddler crab gets its name from the male’s larger claw, which it waves up and down in a fiddling motion when threatened or when attracting a mate.