Mesmerizing, kaleidoscopic, and fabulously exotic, the huge variety of types of saltwater fish to pick for your aquarium will ...

In our exciting five-day unit plan, young learners will discover the impressive defense mechanisms of pufferfish, what they ...

32 Astonishing Photos From a Career Spent Underwater Photographer David Doubilet sets out to astound people with his images—and inspire conservation. See how in this retrospective photo gallery.

Many animals that live in water need to come up to the surface to breathe, but they can still spend impressive lengths of ...

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