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===Fish=== {{see also|Vision in fish#Ultraviolet}} [[Teleost]]s (bony fish) are generally tetrachromatic. The sensitivity of fish UVS opsins vary from 347-383 nm, and LWS opsins from 500-570 nm.<ref name="Carleton-2020">{{cite journal |last1=Carleton |first1=Karen L. |last2=Escobar-Camacho |first2=Daniel |last3=Stieb |first3=Sara M. |last4=Cortesi |first4=Fabio |last5=Marshall |first5=N. Justin |title=Seeing the rainbow: mechanisms underlying spectral sensitivity in teleost fishes |journal=Journal of Experimental Biology |date=15 April 2020 |volume=223 |issue=8 |doi=10.1242/jeb.193334|pmid=32327561 |pmc=7188444 |bibcode=2020JExpB.223B3334C }}</ref> However, some fish that use alternative [[chromophore]]s can extend their LWS opsin sensitivity to 625 nm.<ref name="Carleton-2020"/> The popular belief that the common goldfish is the only animal that can see both infrared and ultraviolet light<ref>{{cite web |url=http://www.skeptive.com/disputes/4484 |title=True or False? "The common goldfish is the only animal that can see both infra-red and ultra-violet light." |work= Skeptive |date=2013|access-date=September 28, 2013 |archive-url=https://web.archive.org/web/20131224110616/http://www.skeptive.com/disputes/4484 |archive-date=December 24, 2013 |url-status=usurped |df=mdy-all }}</ref> is incorrect, because goldfish cannot see infrared light.<ref>{{cite book |last=Neumeyer |first=Christa |editor1-first=Olga |editor1-last=Lazareva |editor2-first=Toru |editor2-last=Shimizu |editor3-first=Edward |editor3-last=Wasserman |title= How Animals See the World: Comparative Behavior, Biology, and Evolution of Vision |publisher=Oxford Scholarship Online |year=2012 |chapter=Chapter 2: Color Vision in Goldfish and Other Vertebrates |isbn= 978-0-19-533465-4}}</ref>
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