The unique feature of flatfish is that both eyes are on the top side as they rest on the sea floor. The flatfish's upward-facing eyes allow it to see while camouflaged on the seabed.
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Culinary Term
Flatfish is commonly used to refer to several edible species, often featured in cooking and cuisine. At the cooking class, we learned how to properly fillet a flatfish.
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Metaphorical Use
Sometimes, 'flatfish' may be used metaphorically to describe someone who is not easily noticed. He moved through the crowd like a flatfish, virtually invisible to the others.