Moon jellyfish drift en masse between surface and reef. Read about one diver’s secret spot in Jupiter, Florida, where you’ll find moon jellyfish galore.

Are you ready for the cuteness overload? Check out these 19 amazing images of fish eggs, whale calves, baby sea turtles, juvenile sharks and more!

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California’s seldom-visited sites north of San Francisco harbor unique kelp kingdoms and other amazing underwater dive experiences.