Coral Reefs Are Facing Extinction After 500 Million Years on Earth. A Deep Dive: Coral Bleaching

This is a Deep Dive into how and why we are losing all of the world's Coral Reefs. This Year Caribbean Waters off the Florida Keys have already reached temperatures of 102 Degrees. 10 Degrees hotter than what they evolved to survive.
In this Video we examine the cellular and microscopic chemistry and biology that takes place during coral die offs, eutrophication and when we find massive oceanic dead zones. Understanding Coral Bleaching and The role of Coral Polyps and Zooxanthellae in the evolution and survival of corals from the Australian Great Barrier Reef to the Gulf of Mexico.

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[lindisfarnedruidakaganjawa]

I have been Scuba diving the eastern seaboard of Australia since 1978 and i can assure you the Reefs are in serious trouble. Case in point i Dived Lizard island in 1983, it was pristine without even the precursor pest of the crown of thorn starfish there to blemish it's magnificence. Then in 2013 when i was part of the Freedom Floatila for West Papua we called in there on the way up north. As we sailed in one could see huge bleached patches some hundreds of meters in area, Once in the water i immediately noticed the scarcity of fish life and other indicators of a healthy reef, did not see one shark in the four snorkels i went for while there yet 30 years prior it was teeming with black tip and white tip reef sharks, What we are doing to the bio diversity of this planet is a crime of Cosmic proportions and we will in the end suffer badly for our short sighted obsession with wealth.

[FoolyLiving]

I lived in Israel for 10 years and we lived in Eilat for a couple of those years. We would go swimming in the Red Sea on the weekends, and there are lots of reefs there that I believed to be alive, but I'll have to go back and look at my underwater footage to see if they were actually alive. The reef was just there and there was never a sign or anything that said to stay away from it or help protect it. There were even people who would push off of it to swim back up to the surface. I was cringed out by it, truly. Saw some beautiful fish around there, but NOT a lot! Also, the Red Sea is at the bottom of the town, and it is in the desert. Sometimes it would get to 115 F. It does not rain there except for MAYBE once a year. When it rains, the entire city and all the trash, roadway dirt, overflowing sewage and drainage systems ALL flowed right down to the sea and floated out. The entire city starts up high when you enter it, because its a mountain, and the sea is at the very bottom tip of it. You cant go swimming after it rains there. I thought for a while that I was allergic to sea water - but I am just allergic to the toxic stuff that got flushed in there from the entire city. A little information and education could do a lot for the reef there, and it would only require a couple signs when you enter. A better drainage system would do wonders for towns like that, attached to the sea. It would flood when it did rain. Very sad that at least once a year its getting some heavy dosing of poison sent right into the sea.

[kellycarroll]

Hi Alexander ~ I hope you are feeling better today! I am sending some prayers and peace your way! Hallelujah! 💓☮💓✝💝

[Slawsers]

Thanks for making this video and giving more awarness to what i think is and can be a big issue

[Chompchompyerded]

Alex, why are you not a fisheries biologist? You have such an interest in it, and a vast amount of knowledge. You should not only be telling us about this, but you should also be teaching it at the university level.

[aliuk]

We live in times where People fear Aliens as being a threat to Planet Earth not realizing that the People themselves are the greatest threat to the Planet we live on.

May the Lord have mercy on us and send us our Saviours ❤

[dazedneptune]

When I was a child, I had a book on wonders of the world that had a small illustration of someone snorkeling in the Great Barrier Reef surrounded by corals and fish. It was my dream to do that one day. 20 years later, I’m realizing that dream might never come true. 😢

[atkinsnatureaquariums]

This subject is very near and dear to me, I believe the only reefs that will survive, will be in our aquariums. If us hobbyists don't make a stand to try and keep these amazing animals then we will lose them eventually. Great video Alex, maybe you'd like to try your hand at corals? If I can do it, you certainly will succeed!

[jeffkane]

Thanks for sharing Alex. I am definitely going to miss the reefs 😢

[Korvmannen]

Really interesting. BTW, the very fact that the skeleton of the corals are made of calcium carbonate immediately got me thinking of NightHawkInLight's video where he made infrared passive cooling coating to paint. His process of using readily available (less dangerous) household chemicals you can DIY ended up with the paint coating being composed of calcium carbonate(!) to radiate heat to be of lower temperature than ambient. So I guess stripping the algae that _absorb_ light and expose the calcium carbonate skeleton might also be a way to cool the coral in a very direct way. _(I recommend the video "Making Infrared Cooling Paint From Grocery Store Items" of NightHawkInLight's in its own right though, it's a really cool one.)_

Also in case someone feels climate angst, or doomer-y, you can always buy organic food since it will lessen the nitrate leeching into the oceans due to not using artificial fertilizer. It's not a lot, but it's something. Doing something to avoid falling into being a doomer is always good.

[zacharykunzer]

Very informative, thank you Alexander. As I was listening to this on my drive to work, I kept thinking about Dustin at Dustin’s fish tanks hanging shade cloths over his basins to keep temps and light levels lower. I know it’s a small idea, and on a larger scale more needs to be done to combat the effects we as humans have on this planet… but I wish there could be a way to help protect these reefs in their homes by hanging massive shade cloths over them. Probably wouldn’t have the effect I wish it would.. I’m sure scientists have already thought up better innovations.

[PotooBurd]

This is so informative!!! Fantastic reporting; 🌻🌼🐝

[napoleonhardin]

@Fishtory: Yes, keep us informed please. So sad about the coral reefs. 😢

[arbdash]

This was brought up at my lfs recently by a customer. I was pretty disappointed in the response from the owner. He said he had worked in the car industry for x number of years and that this has nothing to do with climate change or water temperatures and the news reports of the reef water temperatures were a hoax. He blamed it on electric cars and their old batteries being dumped into the ocean. Electric cars are still really new and only just being mass produced in real numbers recently. Sad to see my favorite lfs drink the coolaide. Not saying electric car batteries are the cleanest things but it’s a stretch to pin the entirety of the issue on it and ignore temperatures.

[pedrobartolomei]

This is one of the biggest overlooked natural catastrophes, not only bleaching is menacing reefs, but the destructions caused by boats and furthermore the introduction of invasive species.

In Venezuela the country where I'm from, somebody introduced an invasive coral named unomia stolonifera, which is absolutely destroying every reef in it's path it is xtremely invasive. It has now colonized 60 miles of Venezuela’s Caribbean coastline and approximately 1.2 million square miles of the sea floor in Mochima National Park, where it’s wreaking havoc on marine habitats and other coral species. Fisherman can no longer sustain their families and the tourism is at an all time low, with the economical crisis in Venezuela, it is hard and almost impossible for associations to do anything about it and the government doesn't even care.
Some people even think this coral may expand to many reefs all throughout the Caribbean.

I dived at these national parcs before the invasion as I am no longer in Venezuela, and when I see all the footage of the dead reefs I am deeply saddened by it.

[brushitoff]

Thanks Alex, The world is changing for sure. Intresting thought to add, I've not noticed a change in tide levels on any beach I've been to in my nearly 50 years of existance. Nor does bringing up historic data in resaearching it support this. Would be good to see the hard facts on this. I've zero trust in main stream news anywhere in the world.

[aliuk]

can everyone please share this Video to their contacts and social media.

Thank you

[EuroGupper]

From what i remember is that reefs provide more oxygen than forests

[souljahaden]

Conservation and our dying ecosystems is such a depressing topic but it should be the forefront of world problems

[jacquesvictor]

10 000 years ago the see level was 400 ft lower than today. Which means that it was most likely dry land where the reefs are now. Now pollution is something is something we should address though, but climate change seems to be a natural cycle especially if you take into account that co2 levels rise due to warming and doesnt seem to be the cause.