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Are fish color blind????

post #1 of 10
Thread Starter 
Gentlemen,
I was skimming thru my friends marine biology book. And I came across something interesting. I never new fish were color blind. I think they can see only the lower half of the color prism. blue, black, & purple.
If so why all the different color lures if they are colored blind? I know they hit black bomber so I read. I know they feel vibration. Just curious.
squints
post #2 of 10
I think generalizes that all fish are blind is incorrect , but even going on that assumption one can kinda reason that the rainbow of available colors is to hook fisherman and IMO to offer contrast...some colors even if they cant be seen as the color by the fish can be seen as a contrast that mimicks certain prey...its all in the rods and cones i believe some species of fish have the capacity to see color...stripers can see outside teh water very clearly by the way, they have polar vision just fyi
post #3 of 10
BZ is lying. Stripers don't live at the pole. They are a temperate water fish.
post #4 of 10
link removed) Link Reinserted

Vinny removed




[This message has been edited by TimS (edited 04-25-2002


[This message has been edited by Vinny (edited 04-25-2002).]

[This message has been edited by TimS (edited 04-25-2002).]
post #5 of 10
Fish can't see color, buy there ability to determine shades is remarkable. But does color matter? Absolutley
post #6 of 10
So, Sunny, can you then explain you flounder sinker choices to me?
post #7 of 10
http://www.straightdope.com/classics/a2_004.html

Even Cecil says fish see in color. It seems to me that some fish are garbed in colors that serve no useful evolutionary purpose other than to attract a mate. These more showy fish risk a greater chance of being eaten because of their bright and gawdy colors. Thus, if it was not a mating selection devise it would not exist. And if the female could not tell the male was pretty, because she was color blind... Well, you get what I am talking about. Same thing with bright "warning colors" on some poisonous fish. What purpose would it serve to have a "warning color" on a poisonous fish, if the predator fish could not see the color that was providing the warning.

Nonetheless, NOAA says most fish are color blind, but can see color shading, reflected light, shape and movement.

I don't get the difference between color shading and color vision. If they can tell the difference between different shades of color, can't they tell the difference between colors, or does this just mean that a pink is "lighter" than a "red."
post #8 of 10
Quote:
It seems to me that some fish are garbed in colors that serve no useful evolutionary purpose other than to attract a mate. These more showy fish risk a greater chance of being eaten because of their bright and gawdy colors. Thus, if it was not a mating selection devise it would not exist. And if the female could not tell the male was pretty, because she was color blind... Well, you get what I am talking about. Same thing with bright "warning colors" on some poisonous fish. What purpose would it serve to have a "warning color" on a poisonous fish, if the predator fish could not see the color that was providing the warning.


Very good point, Vinny .....you must be a lawyer....
post #9 of 10
Thread Starter 
Gentleman,
Interesting....Well I showed her your answers and she told me to read the material again. Apparently I didn't read the entire chapter and it discussed it in detail in the next couple of pages. Ooops I think I need new glass again. O by the by I lost the bet so I gotta cook her dinner.
thanks,
squints
post #10 of 10
Stop messing with me. Can't call you an interloper in this forum, but stop acting like you own the place and leave my posts alone.
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