A genus of large-eyed, deep-sea fish found in oceans worldwide.
The genus name origin is uncertain, possibly derived from ancient Greek or Mediterranean languages; it was formally named by Cuvier, a famous naturalist, in the early 19th century.
The Beryx fish's enormous eyes can be as big as golf balls relative to its head—this extreme adaptation shows how evolution solves different problems at different depths, where light becomes so scarce that you need eye-catching hardware just to hunt.
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