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The mandarinfish lives in western Pacific tropical coral reef ecosystems and lacks the scales that are typically seen on bony fish.
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Mandarinfish Duo

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The toothy goby or common ghost goby (Pleurosicya mossambica) has a commensal relationship with soft corals and sponges in the Indo-Pacific ocean.
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Toothy Goby in Coral

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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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A Pontoh pygmy seahorse
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How Many Seahorse Species?

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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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