Whether they’re finned or scaled, deep-sea swimmers or treetop dwellers, each one of the thousands of animals at the National Aquarium has a unique story to tell.

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American Bullfrog (Lithobates catesbeiana)

A bullfrog's call can be heard from half a mile away.

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Anemones (Actiniaria)

Sea anemones are named after and resemble flowers.

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Atlantic Bay Nettle (Chrysaora chesapeakei)

The Atlantic bay nettle's bell can grow up to 7 inches wide.

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Atlantic Bottlenose Dolphin (Tursiops truncatus)

Dolphins live in complex social groups and use sound to communicate, navigate and hunt.

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Atlantic Horseshoe Crab (Limulus Polyphemus)

This species has 10 eyes scattered throughout its body.

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Atlantic Puffin (Fratercula arctica)

Atlantic puffins have a distinctive large, triangular red-orange bill with a blue-gray base and yellow ridge.

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Banggai Cardinalfish (Pterapogon kauderni)

These fish hide among the spines of sea urchins for protection.

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Barramundi (Lates calcarifer)

A large, silver fish that changes sex as it grows.

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Black Grouper (Mycteroperca bonaci)

Black groupers are born female

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