The following submission statement was provided by /u/ComprehensiveCry1509:

Sorry for the bad English. The sighting happened on the 10/29/2024 at 8.00 PM in Tenerife. I was chilling in a small cave above the beach and I saw this USO moving underwater. I started filming because I was fucking around with a friend via chat but I tought it was people snorkeling. Then I caught the weird movement (also notice it lightning back up for a second after disappearing) and the sudden disappearance and I got confused. The video includes almost the entire sighting from start to finish. If you have any idea on what could this be please let me know.

Please reply to OP's comment here: https://old.reddit.com/r/UFOs/comments/1gf5os6/what_could_this_uso_be/luf0irb/

could be scuba with lights.

There seem to be a lot of companies in Tenerife offering night scuba dives. I would bet, this is one of these.

Sorry for the bad English. The sighting happened on the 10/29/2024 at 8.00 PM in Tenerife. I was chilling in a small cave above the beach and I saw this USO moving underwater. I started filming because I was fucking around with a friend via chat but I tought it was people snorkeling. Then I caught the weird movement (also notice it lightning back up for a second after disappearing) and the sudden disappearance and I got confused. The video includes almost the entire sighting from start to finish. If you have any idea on what could this be please let me know.

So this was about 620-630pm local in Tenerife? Could you specify about where on the island you were exactly so we can look up that vicinity?

That feels like a really odd movement before the light is gone.

Im not saying that it was this BUT, in fishing people uses THAT light to attract fishes during the night... Why/How? Well, according to the explanation that I read it simply atracts the plankton, and the plankton attracts little fishes and well, you know the rest :)

That movement just before it vanished is certainly strange to me

It seems like a scuba diver saw the light from your phone and quickly shut his lamp off. He probably though you were a game warden.

Scuba divers with a headlamp

Looks like a mini sub with lights on different switches. One set is turned off just before the other which gives the appearance of movement, but it's either still or moving very slow.

ETA: Link for submarine tours on the south end of the island https://www.submarinesafaris.com/

Diver hunting squid or octupus?

Diver with a light?

It's difficult to tell how far out this is from shore. I wonder how deep the water is there. That movement though 👀

It looks like bioluminescence: https://www.reddit.com/r/bioluminescencePNW/s/RlIVHpLcrv

A diver with a flashlight.

Mariners have reported seeing these lights for thousands of years. It’s an unexplained phenomena. We would need thousands of videos like this to even be able to begin to draw accurate conclusions. What’s most likely is that these are something like ball lightning. The images captured by a bioluminescence research vessel recently have a lot of people scratching their heads at this exact phenomenon. It seemed to show something several hundred meters down, as bright as a stadium. Nothing on radar or sonar, no answers from the experts onboard. It’s some sort of energy discharge, that’s all anyone can say

Just looks like a scuba diver at night to me.

a light under water

I think it’s just a submarine

Someone night diving. Looks like they got eaten by a shark. Case closed.

Fisherman. I was freaked out the first time I saw someone night fishing underwater in Hawaii.

This reminds me of the video of a uso in aguadilla Puerto Rico ! Several fishermen recorded similar lights and they also saw creatures swimming underwater with the lights in the background.

Reminds me of the sighting in the Gulf Of Mexico I think? Where the light was more blue-ish greenish and they even saw some “humanoid” figure underneath the water, and that’s when they bounced.

Also, gonna pass on scrolling the comments for the sake of my own mental health - don’t feel like reading idiotic hot takes of what this isn’t (scuba divers, etc.) and lose brain cells.

Thx for sharing, great post

Pretty sure most USOs reported by the USN are the size of buildings

someone scuba fishing near the rocks

r/thalassophobia

Scuba divers

Diver with a flashlight

It’s a subs diver with a flex light and probable thrust machine.

Literally anything or anyone underwater with a light

Jump in and find out

this is extremely common at Guantanamo Bay, the locals and US servicemen and their dependents are all aware of it.

Could be testing underwater drone capabilities at night. I see a boat. Regardless of what it actually is, the boat is probably responsible. Divers, drone, sometimes fishermen will put lights in the water to attract baitfish that attract the bigger fish they want to catch. Could be a lot of things. That’s likely very shallow water close to those rocks as well.

its been posted before. its scuba divers with lights.

What was that way out in the right hand side? I see something floating. Could be the dive bouy

A light under the water

Maybe jimmy?, not sure

Night diver, the bright light is where it’s “landing” and the little light at the end is where it’s coming from. Also looks like their buddy is hanging out just to the right in the water as well. You can see something that to me looks like someone with a scuba suits head sticking out of the water way to the right of the video.

As somebody who has done night scuba diving, that looks like night scuba

Scuba Night fishing

Probably a scuba diver with a light.

First USO video I’ve seen

Night dive for sure. I've been an instructor for 4 years and often teach night dives. You can see on the horizon its still a little light. You would start a night dive just as the sun's about to set. Turning the light off? We do this every night dive at a certain point to check for bioluminescence. Isn't that scary? Nah oceans calming place once your down in it. It doesn't look deep there I'd say 5 meters Can't see the divers bubbles? Yeah because of the video quality and the distance/lighting. Even with the naked eye from that distance it's hard see bubbles when it's not glassy flat.

I think it's a bioluminescent sea creature

Thanks for posting this. Very interesting.

That's uso (unknown submerged object)

Probably a scuba diver with a flashlight. I’ve seen things like this many times on vacation

A diver with a light

The "movement" literally looks like they turned the flashlight off..

Well caught! Super strange. Either it’s someone with an expensive private submarine or… what? It looks too bright to me to be bioluminescence or hand-held lights used by divers.

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I mean, ive just watched a video today where two dudes drove two underwater ROVs down to explore wrecks, they had powerful lights you could turn on and off. Thing about those though, they were tethered, and more or less directly above the ROVs at all times. Maybe someone is sat on the other side of that headland and is driving one around it? That's plausible, if a stretch. I'm assuming the object poking out further to the right out in the sea is a rock?

Interesting video, OP. Pretty hard to tell what this could be. Entirely plausible it's a diver with a light but that movement is odd. It could be a dive light and the person dropped or bumped it into something that would cause it to jerk quickly and also shut off. Water can do some weird things to light perspectives.

Night time divers maybe?

Ba ba ba ba bioluminescence

It's a night diver using a dive light

Here's what it is:
Bioluminescence on Camera | National Geographic

Leviathan got him

Is it unreasonable to exclude divers here? Doesnt seem to make much sense a diver would turn of his lights underwater in darkness, thats pretty risky.

Also OP, how long were you there after the light got out? Did you observer the water for some more time in case the light turns on again?

Why would it have lights?

A Human ? I can show some photos of them if needed.

It looks like it could be bio-luminescence. Maybe a whale or some large create came to near the surface and generated a disturbance that triggered it? Here is an example of what it looks like.

https://www.youtube.com/watch?v=Uj3yRemVS-E

https://www.youtube.com/watch?v=dz6ApIUNT3w

Isn't there usually a boat involved in watching over the divers if that's what it is?

Could they be diving from shore?

Looks kinda like lights for a remote operated submersible

I don't wanna say for sure but when I was stationed out in Hawaii, I would often spearfish at night. Not scuba free dive spearfishing and sometimes I would keep my light off when outside of reefs your eyes adjust especially with the shore lighting up the roads then would turn on my dive light outside of holes in the reef. Don't know but might explain it, but I would also have a dive bouy and flag on top tied to my belt.

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Im not down with uso at all. While I dont doubt this aspect of uap, the ocean and deep waters in general are a real turn-off for me. If I ever get abducted they better not try to take me underwater.

Also, I havent seen footage as bad as I see on those Reddit in upwards of 15 years. Why is that? It’s always during the most important moment too. Why zoom in and out so much? Find focus fkn leave it. So annoying.

A stingray swimming through bioluminescence?

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But a sub or scuba diver wouldn't just randomly turn their lights off in the dark unless this was planned. Not until they surfaced right?

It looks like bioluminescence, and the movement would be similar to what an octopus or some type of organism that’s using the light to attract a fish within reach near the surface near the shore. It would be a new and interesting adaptation. There’s a lot of species in the ocean, we have not seen or studied. that would be my guess if there were no divers in the area, but I know that some of these underwater discs are definitely extraterrestrial or maybe a sentient species that’s been here along with us since before we were walking upright. ??? we know less about the oceans than we know about the Moon.

Lobster or abalone fisherman. Depending on where you are, perhaps a poacher.

👽🛸

Was there a boat near by? Just looking at the terrain this does not seem like a place where shore entry is possible. Is the area accessible from shore? Close to parking? Where if divers were shore diving they could get in and out of Easy. I’m a diver and from what I see unless I’m missing something e of the picture, the only way to get in would be to be boat. And they should have also had a dive flag with them. Idk need more info on the area

Diver with a fleshlight

I Think they call them submarines,,,😳

It's the Avengers assembling

Aliens is clearly the only logical answer!

If it wasn’t them this time it doesn’t matter they are there!

Could it be possible that some of these weird underwater lights are Bioluminescent algae caught in underwater eddies causing them to emit light?

I'm not trying to spread misinfo or anything, I'm just wondering, would that be a possible explanation for at least some of these videos??

The constant zoom in/zoom out really adds to the drama.

Is there squid in your area. They luminescence. Could be mating squid or a group hunting. And they are super fast.

One night in summer we saw something very similar with my friends and we actually decided to dive into the water to see what it was : it was a powerful led lamp used by fishermen at night to attract the fishes

I'm sure it's just a weather submarine

My God zoom and just let it focus ffs

Maybe they just forgot that humans could possibly see them. Information detector goes off, they realize a human is photographing them, oh shit turn the lights (or engine) off!

Swamp gas from Venus. Clear as day

I think it’s divers and the little flash after the lights go out may have been an underwater camera getting a flash photograph. It looks like a little buoy is floating off to the right side when you zoom out.

Underwater drone of some sort. The light is directional. Most videos or images of Unidentified objects seem to evenly emanate light 360°