Coral reef fish get away with being colorful thanks to a weird quirk of underwater optics.
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– Visual resolution: the ability to see fine spatial detail
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REFERENCES
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Caves, E. M., & Johnsen, S. (2021). The sensory impacts of climate change: bathymetric shifts and visually mediated interactions in aquatic species. Proceedings of the Royal Society B, 288(1949), 20210396. https://doi.org/10.1098/rspb.2021.0396
Hodge, J. R., Santini, F., & Wainwright, P. C. (2020). Colour dimorphism in labrid fishes as an adaptation to life on coral reefs. Proceedings of the Royal Society B, 287(1923), 20200167. https://doi.org/10.1098/rspb.2020.0167
Marshall, J.N. (2000). Communication and camouflage with the same ‘bright’ colours in reef fishes. Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences, 355(1401), 1243-1248. https://doi.org/10.1098/rstb.2000.0676
Marshall, J. (2017). Vision and lack of vision in the ocean. Current Biology, 27(11), R494-R502. https://doi.org/10.1016/j.cub.2017.03.012
Marshall, N. J., Cortesi, F., de Busserolles, F., Siebeck, U. E., & Cheney, K. L. (2019). Colours and colour vision in reef fishes: Past, present and future research directions. Journal of Fish Biology, 95(1), 5-38. https://doi.org/10.1111/jfb.13849
Wilkins, L., Marshall, N. J., Johnsen, S., & Osorio, D. (2016). Modelling colour constancy in fish: implications for vision and signalling in water. Journal of Experimental Biology, 219(12), 1884-1892. https://doi.org/10.1242/jeb.139147
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Yes, we published a few minutes ago, but some lovely people got a time travel ability at https://www.patreon.com/minuteearth 😉
Is anyone gonna talk about the Betta in the sea at the beginning of the video? Just pointing it out.
Hey I've got a question for you / future topic: Why are shark eyes more on the side (like a prey animal) than in the front (like a predator)? Aren't they considered apex? why do they give up the advantage of depth perception which would be incredibly advantageous as a strike predator?
It makes my day every time I see a Pokémon among the animals in these videos 😁
1:30 I love how the shark is "??? what the"
Coral reef can act camflogue right
Amazing, isn't it, how fish are designed to temper their colors to adapt to other environments.
MOOOOOORE POKEMON !!!!
The fish are losing their color so as to not attract divers, aquarium fish collectors and David Attenborough.
But why doesn’t that apply to other fish then? The low depth of coral reefs, because you still have a full spectrum of light?
Colourful is such a useless term when talking about this. Is a brown animal less "full of colour" than a coral reef fish? I'd say no.
Real
I saw the pokemon
And here I am, a Brazilian person, learning English with this amazing channel 😎👍
And here I am, a Brazilian person, learning English with this amazing channel 😎👍
I love the pokemon references.
I come for the pokemon cameos. I stay for the education.
I thought that bright colours mean that i'm poisonous-
And human evolve to become dumb & dumber, because "smart" countries are less birth rate compared to "dumb" countries…
2:33 Subnautica crater edge flashbacks
Not little but very blue
Why is there a betta fish in the reef?
Pokemons are REAL
I know this is a nitpicking comment but I have to point out a betta fish, a freshwater fish there at 0:21
To bad sharks literally have an organ to feel the electrical impulses that generate the heartbeat
Loved the incidental music chosen for this episode!
Parrots are brightly colored for the same reason that poison dart frogs are: as a warning to predators. Parrots can produce extremely loud noises that can damage the ears of other animals.
Why is there a betta in the coral reef?😭
Love the Bruxish representation
ok, what about that betta fish that apeared twice?
Beautiful video.. but wtf is that Betta doing in the sea in the end ? 😅😅
We are really destroying this planet😢
Why was a betta fish drawn in among coral reef fish???
guys what if mermaids are all lesbian and they’re just trolling all the hard straight sailors
1:45 someone get that poor shark some glasses
Was that a betta fish at the end? Pretty sure that is not a saltwater fish.
Love the video but the only question I have is why is there a green betta fish in the coral reef XD
Lol did anyone else notice the bruxish 0:13
Lol, I like the Hoothoot and the Bruxish pokemon references!
look at those pokemals
0:17 bruxish
Bruxish ❤
Interesting video but I gotta be honest that the entire time I was waiting for that Bruxish to show up 😂
Also, many fish predators can not see the colour red. For them red looks black.
This is why
Because there skin smells bad so humans don't want to take it
But aren't most animals some sort of colorblind?
The animals that lives in coral reefs
Shows a Betta.