The Amazing Fishcam is a video feed of fish swimming about in a tank.
Live Aquarium Streaming
This site hosts three webcams directed at a single 125 gallon aquarium. The site contains pages that direct you to the fishcams and this page that describes the fish tank, the fish, aquarium history, and the care and maintenance performed.
Clownfish webcam online 24 hours.
Ocean Telepresence Network
The Ocean Telepresence Network blog provides the latest news on a going number of live underwater video camera systems. Ocean Presence Technologies has developed underwater pan-tilt-zoom camera systems that allows live video feeds to be viewed and controlled from the bottom of the ocean over the Internet. New cameras are added to the Telepresence Network as they go online.