Animals That Don't Have Red Blood
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There are many animals who lack the component that makes their blood red and hence have different colour
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Here's a list of animals whose blood is not red
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Brachiopods, shell-like animals, who use Hemerythrin to transport blood, make it pale yellow
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Horseshoe crab blood is blue because it contains hemocyanin, a copper-based protein that carries oxygen instead of hemoglobin
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Octopuses blood also contains hemocyanin, a copper-rich protein, which makes their blood blue instead of red
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The crocodile icefish, also called the Antarctic icefish, is a species of white-blooded fish lacking red blood cells
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Squid blood is blue, not red, because it also contains a copper-rich protein called hemocyanin
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Spiders also rely on hemocyanin to carry oxygen which makes their blood blueish in colour
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Lobsters' blood also contains hemocyanin, which makes their blood blue instead of red
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