There are approximately 30 records of humans killed by cone snails.

There are over 800 different species of cone snails.

There are also mollusks, like the cone snails, that can kill.

But researchers are now warning that the world is in danger of loving cone snails to death.

This marine species of cone snail occurs off the Bahamas.

Many tropical cone snails live in or near coral reefs.

The shell of a cone snail is cone-shaped, and closed at the larger end.

Only a few larger species of cone snails which can capture and kill fish are likely to be seriously dangerous to humans.

These estimates make the geographic cone snail the most venomous animal in the world.

Other cone snails catch sleeping fish with the biological equivalent of a fisherman's net.

Their classification proposed 3 distinct families and 82 genera for the living species of cone snails.

This cone snail has a very wide distribution.

The cone snail uses its foot to hold the shell of its prey.

Cone snail venom has promise as a source of new, medically important substances.

Cone snail species have shells that are shaped more or less like geometric cones.

Cone snails are almost all tropical in distribution.

The shells of cone snails vary in size.

Conotoxin is used by cone snails to hunt prey.

Like all cone snail species, these snails are predatory and venomous.

"We started working on cone snails, to be honest, because we had nothing else to do at the time," said Olivera.

A new classification of the cone snails.

These species are piscivorous, meaning that these cone snails prey on fish.

The venom of cone snails cause paralysis of their fish prey.

ConoServer, a database of cone snail toxins, known as conopeptides.

These include the giant clam, nudibranchs and cone snails.