Vision is an important sensory system for most species of fish. Fish eyes are
similar to terrestrial ... Some fish can see ultraviolet and some are sensitive to
polarized light. Amongst jawless fish...
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 ...
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=p2DdT57r7fA
May 17, 2013 ... My pet fish who can blink. ... Up next. Very very rare fish. She can do eye blink. （
Mudskipper） - Duration: 1:58. hideoishikawa 2,741 views. 1:58 ...
Feb 1, 2012 ... Dear Mary Esther,. That is a great question. I like to look at colorful fish in a fish
tank, and you probably do, too. If you watch them for long, you ...
Jun 20, 2014 ... The short answer is that most have no eye lids. For most fish they just don't need
an eyelid, an eyelid is partially to protect the eye but mostly it ...
May 31, 2000 ... What fish can blink its eyes - trivia question /questions answer / answers.
Apr 19, 2009 ... Answer to the science question: Why don't fish have eyelids? ... Humans have
eyelids to prevent the cornea drying out, we blink to moisten ...
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
Pufferfish are also one of few kinds of fish that can blink or close their eyes. (
Some claim they are the only fish that can close their eyes, but certain attacking ...