Most fish have no idea they’re about to be speared by a cone snail. The snail’s siphon hides a harpoon-like stinger, known as a radula, that extends and retracts in less than 100 microseconds.

A cone snail's breathing tube, called a siphon, is actually more like a sheet of muscle rolled into a snorkel. Besides drawing water to gills deep in its shell, ...

Snails seem like slow, unassuming animals until you meet the cone snail. This mollusk packs a punch as one of the most predatory and venomous creatures crawling the seafloor. This YouTube video ...