1. And there was a ready market for the tasty marine snails . 2. Marine snails are known to prey upon this shark's eggs.3. These marine snails are small, being about 14 mm in length. 4. In 1971, a new sense organ was discovered in this marine snail . 5. The peptide Contryphan-Vn was extracted from the venom of this marine snail . 6. Like all species within the genus Conus, these marine snails are predatory and venomous. 7. The prosobranchs are almost all marine snails , among them conchs, periwinkles, volutes, and whelks. 8. These snails are sometimes listed as land snails and at other times they are listed as marine snails . 9. Other predatory marine snails , such as the Conidae, use a specialized radula tooth as a poisoned harpoon. 10. These " Oncomelania " snails are distantly related to the marine marine snails of the family Rissoidae.
