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A critically endangered fish found only in Nevada's isolated Devil's Hole cavern.
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A vibrant fish endemic to Lake Tanganyika, known for its blue and yellow colors.
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A brightly patterned fish from Indonesia, famous for its frog-like shape and camouflage skills.
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A rare freshwater dolphin with a pinkish-gray hue, found in South America's La Plata River.
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A deep-sea, ribbon-like fish that can grow up to 36 feet, often linked to ocean myths.
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