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 ...

a community of sea sponges has survived for centuries by eating the fossils of ancient extinct worms. Researchers discovered the underwater mountain in 2011, while mapping uncharted Arctic waters ...

But when resources are scarce, competition can become an all-out war for survival and reproduction ... which deters predators. Sea sponges and other sessile (anchored) organisms compete fiercely ...

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.