They're tiny, blobby, butt-shaped, and glow in the dark. What the heck are they? Scientists are still figuring them out.

Look no further than the Columbus Zoo and Aquarium. From now until Feb. 12 ... will devour and slurp the worms through an enrichment tube. As a gift, donors will receive a 30-45-second ...

Inspect new plants. When adding plants to your aquarium, inspect them for snails, worms, and other organisms. That way, you can ensure that nobody hitches a ride!