From deadly 'living fossils' to glowing sea angels, the ocean floor is home to creatures almost alien to us. Here are five incredible creatures straight from the deep.

Pteropods: Seawaters are already corrosive enough in some areas to erode the shells of these small sea “butterflies.” Pteropods are tiny snails that are found throughout the oceans and are an ...

Pteropods are split into two major groups: shelled sea butterflies (left) and sea angels (right) that lose their shell when they reach adulthood. These creatures have adapted from a life on the ...

The tiny snail, named for two wing-like appendices ... Scientists discovered the effects of acidification on the sea butterflies from samples taken around the Scotia Sea region of the Southern ...

Right here in La Jolla Shores Cove and in ocean basins all over the world live tiny little creatures called pteropods or "sea butterflies"! Pteropods are small marine snails that swim in our open ...

posing new threats to organisms like sea butterflies, sea snails and cold-water corals. The ocean is the largest natural sink of carbon dioxide, absorbing about a quarter of our annual emissions.

the creatures belong to the family of sea butterflies, a sub-category of sea snails. Measuring between 7.15 and 13.2 mm in length, the creatures’ bodies are protected by a pointed needle-like shell.

a 2-centimeter-long variant also known as the naked sea butterfly, feast on a small sea snail species called Limacina helicina, whose clear, glass-like shells measure 3 to 5 millimeters in diameter.