"3B torso model"

These small marine crustaceans are supplied as adults, and measure approximately ¹/₄" in size at the time of shipment.

Philodina sp. Easy to culture and easy to examine under a microscope because of the lack of a lorica (shell), these typical rotifers are perfect for general study. Culture instructions are included.

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.

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.

Brachionus sp. Examine these typical marine rotifers for a general study of their structure and feeding habits.The recommended food for marine rotifers is Dunaliella. Culture instructions are included.

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

Mixed genera. Also known as scuds, amphipods are freshwater crustaceans.

The culture supplied includes copepods in various stages of development.

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.

Hypsibius sp. The water bear is a complex animal representing the unusual phylum of Tardigrades, which contains about 400 marine, terrestrial, and freshwater species.

Illustrate the structure, feeding habits, responses, and reproduction of a typical Anthozoan.

Create a suitable home for fish, brine shrimp and other marine invertebrates. A 450 g bag will make three gallons of sea water (1.020-1.025 specific gravity). (Please note: This item is recommended for use with saltwater aquaria only.)