Crustaceans

Sow Bugs (Terrestrial Isopod)

Phylum Arthropoda. Assorted species as available. Also known as wood lice. Found under logs or stones in dark, undisturbed places. Maintain in terrarium with rich, moist humus. Add flat rocks or ro... More.

Fiddler Crab (Uca sp.)

Phylum Arthropoda. Collected from brackish water estuaries but tolerant of freshwater conditions of classroom aquarium. Unit of 5. More.

Small Feeder Daphnia

Subphylum Crustacea. Active cultures maintained all year. To feed Hydra, for heartbeat experiments, behavior demonstration, and fish food. Unit of 100. More.

Tree Hermit Crabs (Land Hermit Crab)(Coenobita clypeatus)

Phylum Arthropoda. The tree hermit crab is a very near relative of the marine hermit crab, Pagurus. However, due to its habit of spending much of its adult life away from the ocean, climbing trees ... More.

Amphipods

Gammarus or similar genera, aka scuds or well shrimp. Found in fresh-water streams. Easily maintain in established aquarium. Unit of 100. More.

Crayfish – Phylum Arthropoda

Small aquarium size, under 3" (8 cm). Unit of 10. *NOTE: Shipment of live crayfish into California and Illinois requires a permit. Customers in those states should contact their Departm... More.

Crayfish – Over 3" (8 cm)

Phylum Arthropoda. Available all winter. Mature freshwater species. Unit of 10. *NOTE: Shipment of live crayfish into California and Illinois requires a permit. Customers in those states sh... More.

Daphnia magna – for Class of 120

Subphylum Crustacea. Active cultures maintained all year. To feed Hydra, for heartbeat experiments, behavior demonstration, and fish food. Instructions fo... More.

Daphnia magna – for Class of 600

Subphylum Crustacea. Active cultures maintained all year. To feed Hydra, for heartbeat experiments, behavior demonstration, and fish food. Instructions fo... More.

Daphnia magna – for Class of 1200

Subphylum Crustacea. Active cultures maintained all year. To feed Hydra, for heartbeat experiments, behavior demonstration, and fish food. Instructions fo... More.