There are worlds to explore under water. Entire ecosystems exist within oceans, lakes, and rivers. These worlds can also be recreated on land. this high-interes

This title will introduce readers to ocean ecosystems, the plants and animals that thrive there, its climate, its food web, any threats to it, and conservation

Aquariums allow people to explore underwater environments while keeping their feet on dry land. Learn how aquariums are created and how their tiniest and mighti

Recent decades have been marked by the decline or collapse of one fishery after another around the world, from swordfish in the North Atlantic to orange roughy

Discusses the ocean ecosystem and the role of the sea otter as a keystone species in helping to maintain it, describing the otter's place on the food chain and