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reaction in a fish's eye to a camera flash

Paul Boote said:
Not blind an already probably tired fish, but temporarily unsight it and make it more likely to prang itself on a rock or concrete block, or go headlong into some mud, or to stray into fast water that could very well be a danger to it in its weakened state...

I employed a belt and braces approach to fish that I had caught and that I of course wanted to give every chance of surviving their trip bank-side.
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So how do they avoid such obsticles in the dark or when the river is all muddy ?

Gordon, chill out pal or you'll be in the naughty corner with Beaney :D
 
Simon Lush said:
So how do they avoid such obsticles in the dark or when the river is all muddy ?

Gordon, chill out pal or you'll be in the naughty corner with Beaney :D
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Think you'll find that fish's eyes are much more finely atuned to see in the dark or when the water is coloured/muddy(which amounts to the same) than ours are. This is why it might be wise not to go flashing bright lights directly into their eyes as the more conditioned eyes are to the dark then the more that bright light will affect the vision.... but then I'm no optician... Speaking of which, there used to be a couple on here, maybe they'll be better placed to make an informed opinion.
 
Haydn Clarke said:
Think you'll find that fish's eyes are much more finely atuned to see in the dark or when the water is coloured/muddy(which amounts to the same) than ours are. This is why it might be wise not to go flashing bright lights directly into their eyes as the more conditioned eyes are to the dark then the more that bright light will affect the vision.... but then I'm no optician... Speaking of which, there used to be a couple on here, maybe they'll be better placed to make an informed opinion.
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Fair point Haydn, hadn't really thought of it like that before, certainly if their eyes are more sensitive than ours then using LEDS may be a bad idea then ?
 
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