Sea sponges are one such creature, and they come in many shapes and sizes. As surprising as it seems, one particular variety of sea sponge, called a glass sponge, shares something in common with ...

You can pick up a synthetic sponge for just a few dollars. But a natural sea sponge, hand-harvested from the Mediterranean seafloor, could set you back $30. Harvesting these sponges is dangerous ...

Your browser does not support the video element. Sea sponges, among the oldest creatures in existence, let out what looks like a deep sea "sneeze" to filter out waste ...

Glass sponges are found along the deep sea, providing a hiding place for small critters along the seafloor. For one newly discovered species, glass sponges provide both a home and a hunting ground.

These slugs of the sea are soft-bodied. To protect themselves they resort to chemical warfare. Nudibranchs eat sponges and recycle the poisonous chemicals the sponges contain, using them within their ...

Sponge of the species Hyalonema obtusum in the Clarion-Clipperton Zone. Amphipods and cnidarians grow on the stalk of the sponge, while a sea cucumber sits at its foot.