• Crayfish (specimen only)

    $2.25 $2.10

    Arthropod anatomy is fun and easy with Cornerstone's preserved crayfish.

    An excellent choice for any activity requiring dissection of an arthropod. Student can observe and document external structures such as cephalothorax, fins, antennae, and various appendages. Internal anatomy includes stomach and intestines, nerves, glands,  gills, muscles and more.

    Ten-packs receive a 12.5% discount!

    Specimens are individually vacuum-sealed.Initially preserved in formaldehyde to fix tissues. Specimens are then rinsed with water and packed in a low-odor, non-toxic holding solution. Store specimens in an area of room temperature away from direct sunlight. Do not freeze or expose to high temperatures (more than 85 degrees F). Specimens will last 6 month when left unopened. After opening, the specimen should be placed in a zip-top bag and may be kept for up to one month.