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Anglerfish

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Anglerfish

Post by sujin007 on Sun Nov 18, 2012 8:30 pm

Anglerfish are named for their characteristic mode of perdition, wherein a fleshy growth from the fish’s head ,the esca acts as a lure.

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Re: Anglerfish

Post by sujin007 on Sun Nov 18, 2012 8:32 pm

Anglerfish also have spines protruding from their head, movable in all directions. The esca can be wiggled so as to resemble a prey animal, and thus to act as bait to lure other predators.

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Re: Anglerfish

Post by sujin007 on Sun Nov 18, 2012 8:34 pm

Deep-sea anglerfish live mainly in the oceans’ aphotic zones, where the water is to deep for the sun to penetrate; therefore their perdition relies on the “lure” being bioluminescent.

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Re: Anglerfish

Post by sujin007 on Sun Nov 18, 2012 8:36 pm

Since individuals are presumably locally rare and encounters doubly so, finding a mate is problematic. When scientists first started capturing ceratioid anglerfish, they noticed that all of the specimens were females.

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Re: Anglerfish

Post by sujin007 on Sun Nov 18, 2012 8:37 pm

These individuals were a few inches in size and almost all of them had what appeared to be parasites attached to them. It turned out that these “parasites” were the remains of male ceratioids
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