Tarantulas, like all arachnids and insects, must shed their skin, or molt, to grow. This is because they have an exoskeleton. Since this exoskeleton is hard, the only way these invertebrates can grow is by breaking through their old skin, revealing the pliable new skin underneath. Once the shed is complete, the new and larger skin is then allowed to dry. What I present for you here is a pictorial guide to one of the world’s largest species of tarantulas, the Brazilian Salmon Pink Bird-eating Spider (Lasiodora parahybana), named for the beautiful pink hairs on this massive spider’s abdomen.
After making a bed of silk, the spider turns onto its back to start the molting process.