1. One who angles.
2. (Science: zoology) a fish (Lophius piscatorius), of Europe and America, having a large, broad, and depressed head, with the mouth very large. Peculiar appendages on the head are said to be used to entice fishes within reach.
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... fish that have adapted eyes, allowing them to see better with little to no light), the selection pressure is increased for less obvious ones (the angler fish lures prey to it with an unusual adaptation, its light). I don't know how clear I was here, but the relatively constant environment allows ...
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