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Whether they’re finned or scaled, deep-sea swimmers or treetop dwellers, each of the 20,000 animals at the National Aquarium has a unique story to tell.

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Death Adder (Acanthophis praelongus)

Lures its prey using the tip of its tail as bait.

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Diamondback Terrapin (Malaclemys terrapin)

This species is Maryland's state reptile.

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Discus (Symphysodon discus)

This fish grows approximately 6 to 8 inches in height and length.

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Electric Eel (Electrophorus electricus)

Electric eels can produce up to 600 volts.

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Emerald Tree Boa (Corallus caninus)

They can reach over 6 feet in length.

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Emperor Angelfish (Pomacanthus imperator)

A juvenile looks emperor angelfish so different from an adult that it was once believed to be a different type of angelfish.

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Giant Pacific Octopus (Enteroctopus dofleini)

This master of camouflage can quickly change the color and texture of its skin.

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Giant South American River Turtle (Podocnemis expansa)

The giant South American river turtle is one of the largest freshwater turtles in the world.

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Giant Waxy Tree Frog (Phyllomedusa bicolor)

These frogs prevent themselves from drying out by wiping wax over their bodies.

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