The clownfish-anemone living arrangement is one of the most widely recognized examples of symbiosis. Researchers have made a ...

Seen up close, each polyp has a tube-like body and an opening ringed with dozens of “transparent” tentacles. These ...

A new invasive species threatens Kāneʻohe Bay's fragile coral ecosystem, sending state officials scrambling for a solution.

Clownfish avoid anemone stings by lacking sialic acid in their mucus. This prevents anemones from recognizing them as prey.

Maybe Jackson's ceramic "monsters" are just creatures who look like they shouldn’t belong — and in her world-building Jackson ...

Every new aquarist dreams of filling their new aquarium with beautiful creatures. However, it’s important to do research ...

Sometimes though, those amazing creatures that we get to see can actually be a detriment to the eco-system. And it looks like ...

View Full Profile. Learn about our Editorial Policies. In the freshwater polyp Hydra vulgaris, a single population of stem cells is responsible for both gamete production and the sea anemone’s ...