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Seahorses are hitchhikers. They can travel long distances across the ocean—farther than they can swim—by attaching themselves to floating seaweed and debris.
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Hitchhiking Seahorses

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Seahorses make noise! Seahorses make noises that can be heard underwater similar to the sound of smacking your lips. They make them during feeding and courtship.
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Seahorses Make A Racket

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A bright yellow long-snouted seahorse.
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A Cold-Water Seahorse

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Seahorse couples (such as these Hippocampus histrix) greet each other every morning with a unique dance that sometimes involves changing color. The couple promenades and pirouettes together for several minutes before separating for the rest of the day. The
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Dancing Seahorse Pairs

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Two thorny seahorses sit back to back underwater.
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Seahorse Lovebirds

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A male short-snouted seahorse with a pouch full of eggs.
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A Pregnant Seahorse

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A big-bellied seahorse
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A Foot-Long Seahorse

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It's a pygmy seahorse (Hippocampus bargibanti), found in Indonesia's biodiverse Coral Triangle and one of the smallest seahorse species in the world! They can change colors like a chameleon to blend into their environment. This helps to protect them from p
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Can You Spot the Seahorse?

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A summertime channel carries melted ice to the sea. Antarctica and Greenland lose around 350 billion tons of ice each year from such melting.
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Ice Melt at the Poles

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This crab has a parasitic barnacle rooted in its reproductive system.
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Parasitic Barnacle on a Crab

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Researchers collect underwater noises with autonomous recorders.
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Listening to Animals Underwater

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This jellyfish fossil is from the Cambrian period, more than 500 million years ago.
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Fossil Jellyfish

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