"Freeze-Dried Specimens"

Anodonta subobicularis.

Aeolosoma sp. A small, freshwater Oligochaete, Aeolosoma is characterized by colorful oil droplets in its body. It’s easy to culture large quantities of this microscopic organism for use in regeneration experiments: Simply add hay and wheat grains to hay medium. Culture instructions are included. Size: 2–3 mm.

These red marine bivalves are fascinating to observe as they propel themselves forward by expelling jets of water.

Crayfish are a mixture of Orconectes immunis and Orconectes virilis.

Brachydanio rerio.

The nocturnal hermit crab uses “borrowed” shells to protect its relatively soft body, changing shells as it grows larger.

Choose from 2 popular sets of Tetras for your fish tank.

Related to the starfish, but easier to maintain, the serpent star features a central disc and five very flexible arms.

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.