"Avantor"

Place these eggs in a brine solution for two days in order to make the shrimp (Artemia) hatch. Our special processing technique allows you to store the eggs for nearly indefinite periods of time. 7 grams.

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.)

Highly aggressive. Beautiful but socially challenged, male “Siamese fighting fish” will duel with each other — or even with their own reflection in a mirror — and flare their colorful fins in an impressive display of territoriality. When females are present, males will try to “impress” them. Females can coexist; males must be kept separate. Care instructions are included. Size: 1 1/2–2".

Easily compare the different types of structures in a variety of small freshwater crustaceans with this convenient freshwater culture mix.

Carassius auratus

Poecilia reticulata.

Brachydanio rerio.

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.

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

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.

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

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.

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

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

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