Interesting Facts About Hexanchus Shark Hexanchus shark or commonly known as sixgill shark is a large, deepwater
primitive
species of sharks found only as fossils. It has distinctive broad, flat head, large green eyes, and a small, single dorsal fin far along its back. It usually feed nocturnally and lives at depths. There has been no reports of sixgill shark harming humans so far. Below are some lesser known facts of Hexanchus: Comb like teeth These sharks are characterized by a broad, pointed head, six pairs of gill slits, comb-like, yellow lower teeth, and a long tail. Sixgill teeth are very different
compared to what we
typically a shark teeth should look like. They had six saw-like teeth on each side of the lower jaw and nine smaller, serrated, single-cusped teeth on each side of the upper jaw. You can find Hexanchus tooth for sale.