Turban shells belong to the gastropod family of shells (animal/mollusk) living inside the shell creates a single shell. These shells are top shaped. Some shells are smooth, others highly ornamented with spines or flutings. The aperture is pearly. Most are found in warm tropical seas, near coral. The Jade Turbo ranges from the Indian Ocean east to the Northern shores of Australia.Light Green Turbo shells, natural color. Size ranges from 1 to 1 1/2 inches.
Measure Shell Openings. It is important to choose shells with the correct opening size for your hermit crabs. The opening size you choose should be 1/8" bigger than your hermit crab's big claw. You should measure the length of the largest claw, not how wide it is