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Re: Do strobes blind fish?

Posted: Sat Jan 26, 2019 1:59 pm
by Scubie Doo
jmartel wrote:Generally I try to only take a couple shots and leave the fish be. If they didn't turn out like I wanted, then I'll go somewhere else for a bit and then come back to try again. Don't like flashing them unnecessarily.


Agreed 1-5 shots per critter :)


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Re: Do strobes blind fish?

Posted: Sat Jan 26, 2019 1:58 pm
by Gdog
Tom Nic wrote:Interesting.

I have not noticed adverser responses to 99% of the critters I photograph that is more than just a general avoidance of the bubble blowing monster.

That 1% has been in Seahorses, however. I have seen them repeatedly turning their head away from a photographer, giving their back to them and putting their heads almost to the level of the ground. Typically when I or another photographer would set up you would get maybe one good profile shot, then the "turning away" behavior would ensue.

Agreed Tom. I've seen that also. They let you know they don't like the flash

Re: Do strobes blind fish?

Posted: Sat Jan 26, 2019 1:27 pm
by jmartel
Generally I try to only take a couple shots and leave the fish be. If they didn't turn out like I wanted, then I'll go somewhere else for a bit and then come back to try again. Don't like flashing them unnecessarily.

Re: Do strobes blind fish?

Posted: Sat Jan 26, 2019 12:30 pm
by Tom Nic
Interesting.

I have not noticed adverser responses to 99% of the critters I photograph that is more than just a general avoidance of the bubble blowing monster.

That 1% has been in Seahorses, however. I have seen them repeatedly turning their head away from a photographer, giving their back to them and putting their heads almost to the level of the ground. Typically when I or another photographer would set up you would get maybe one good profile shot, then the "turning away" behavior would ensue.

Re: Do strobes blind fish?

Posted: Fri Jan 25, 2019 3:29 pm
by Gdog
So no Bueno on crab juggling.

Do strobes blind fish?

Posted: Fri Jan 25, 2019 2:30 pm
by stphnmartin
Behavioural and pathomorphological impacts of flash photography on benthic fishes

Conclusion
This is the first study to investigate the combined pathomorphological and behavioural impacts of photographer behaviour and photographic flashes on animals. We conclude that the effects of photographic flash alone are minor and do not have a stronger impact than those caused by human presence or photography without flash. However, manipulating animals during photography elicits very strong evasive responses and should therefore be avoided. While feeding efficiency was not negatively impacted in this study, repeated diver manipulation in highly popular dive sites could still have the potential to lead to chronic stress, increased energy requirements, and reduced fitness in photographed animals.

Full report:
https://www.nature.com/articles/s41598-018-37356-2