Extreme Science
Extreme Science: Biggest Freshwater Fish: Giant Mekong Catfish
The Giant Mekong catfish is the largest freshwater fish in the world. Watch a video of this fish and read fascinating facts about this extreme creature here. An amazing picture of a nine-foot long specimen is shown.
PBS
Pbs Nature: Sharks
How many species of sharks are there in the world of water? Students will discover how and where sharks live, what they eat and how they socialize through the exploration of this resource.