The specimen is conveniently vacuum-sealed to stay fresh for up to 6 months. Our crayfish are shipped with a small amount of low-odor holding fluid (not formaldehyde or formalin) to keep them fresh.
opening, the crayfish may be kept in a plastic zip bag and should be
used within one week. The crayfish are between 4 and 6 inches in length.
NOTE: This pack includes only the crayfish. For a more complete activity set including forceps, probes, and dissection trays, see our Crayfish Activity 5-Pack.
Purchase as a single pack with one crayfish
Purchase multi-packs of 10 crayfish for a 10% discount.