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Vision in fishes - Wikipedia


Vision is an important sensory system for most species of fish. Fish eyes are similar to the eyes ... Some fish can see ultraviolet and some are sensitive to polarized light. Among jawless fish, the...

Do fish blink? | Reference.com


Fish don't blink or close their eyes at all, even when they sleep, because they don 't have eyelids. The only exception is the shark which has a nictitating ...

Do fish blink or sleep? - Quora


Nov 10, 2014 ... Fishes don't have eyelids like reptiles, Birds or mammals do. So naturally, they don't (can't) blink. But, they can sleep. They reduce the amount ...

www.ask.com/youtube?q=Do Fish Blink&v=hd5i90Q9pp0
May 12, 2013 ... Sharks are the only fish that have eye lids. Therefore they are the only fish that blink. There eye lids protect their eyes when they attack their ...
www.ask.com/youtube?q=Do Fish Blink&v=rD8IUCSAnds
Dec 6, 2011 ... Periohtalums argentilineatus .Close up movie. トントンミーのまばたき。まばたきを する魚。

Apologetics Press - Why don't fish blink, and if they do, how do they?


Feb 1, 2012 ... If you watch them for long, you will notice that most of the fish in a fish tank do not blink their eyes. The reason for this is quite simple—they don't ...

Do fish blink? - Tropical Fish Forums at the Age of Aquariums


Nearly all fish cannot/do not "blink" because they do not possess eyelids (there is no need to hydrate eyes Smile ). Most sharks can cover the ...

why can't fish blink? – Infectious Diseases Zone


Jun 20, 2014 ... There are actually some fish that do have eyelids, some deep sea fish ... see a shark bit into something, they dont blink though and the eyelid is ...

What fish can blink its eyes? - FunTrivia.com


May 31, 2000 ... What fish can blink its eyes - trivia question /questions answer / answers.

Do Fish Sleep with Their Eyes Open? | Wonderopolis


And assuming they do, HOW do fish sleep? If you've ever watched fish for any length of time, you know they get plenty of exercise. They're constantly swimming  ...