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Seahorses are the only fish species that can hold your hand! Unlike most fish that use their tails for swimming, seahorses, such as this big-belly seahorse (Hippocampus abdominalis), use their monkey-like tails to hold onto objects in their environment, li
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Seahorses Have Monkey-Like Tails

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Chrysaora melanaster is a jellyfish found in the Arctic.
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Jellyfish and Comb Jellies

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A lemon shark pup swims through its shallow mangrove nursery off the coast of Bimini Island in the Bahamas.
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Young Lemon Shark Swims Through Mangroves

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Close-up image of a silver-colored barracuda swimming past corals.
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Barracuda

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Epaulette shark
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Epaulette Shark

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a spear fisher with a speared tropical fish
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Sustainable Fishing

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A map of the U.S. and Canada is colored to show the areas of the U.S. that expect higher or lower precipitation. The northwest and northeast are brown to show reduced precipitation, while most of the southwest and southeast are blue to indicate higher precipitation.
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El Niño Explained: Understanding the Forces Shaping 2023-24 Winter Weather 

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Illustration of colorful nudibranchs from Ernst Haeckel.
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Nudibranchs

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Cover of the Book Citizens of the Sea
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Citizens of the Sea

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