Before making Finding Nemo, the animation gurus at Pixar Studios had to take a graduate class in fish biology and oceanography.
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Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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There is a disease called ichthyosis that turns the skin scaly like a fish.
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The seahorse is the only fish to have a neck.
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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
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