My guess is terrestrial animals use fluorescence more often than bioluminescence as a simpler, less energy intensive, easier to evolve way to glow. Deep sea animals aren’t exposed to very much uv light to make them fluoresce (many shallow water sea creatures do fluoresce, like most coral) so need to produce their own light. Not so with most terrestrial animals.
That could partially explain the difference in frequency.

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Hey now...it clearly said BIO-FLOURESCENT, not bioluminescent....so not fake. Biofluorescence is a relatively unstudied feature of some sea life where their coloring fluoresces under certain wavelengths. It's being found all over the animal kingdom, but apparently this is the first reptile found to show it.
Yes, they are shining some light (likely black light) to cause the fluorescence.
It's unknown how this feature might help marine animals. In land plants, it's often used to attract certain insects with colors/patterns they recognize....perhaps the markings on turtles allow other turtles to recognize differing sub species for 'racial purity'?

When will this tech progress enough that they can render the effects in real time, using something like Xbox motion tracking to keep track of the dancers/props and have them actually effect the projections in real time, rather than projecting a pre-rendered 'movie' that they try to keep pace with and their place in? It would erase all the lag created when the dancers are 1/4 second off, or 3 inches out of place. That would go a long way towards creating suspension of disbelief for many, and sharpen up the performance immensely. Then we can have things like the bioluminescent forest done on stage with moving objects...like Avatar in theater form.
I love what they do with it, I just want to see it progress...and fast!

*related=http://videosift.com/video/The-Flashing-Bioluminescence-of-the-Flame-Scallop

The Flashing Lips of the Flame Scallop has been added as a related post - related requested by PlayhousePals.

This one ?

>> ^GenjiKilpatrick:

Wow that's a large wall of text, @newtboy.
But yes, it appears that:
"Calleja has developed a lighting system that requires no electricity for power. Instead it draws CO2 from the atmosphere and uses it to produce light as well as oxygen as a byproduct. The key ingredient to this eco-friendly light? Algae."
I guess that's why the video empathized that Calleja has been a biochemist for twenty years. i.e. years of research have helped developed a strain of algae with such properties
Apparently the electricity the algae produces is stored in a battery underneath the unit.
http://www.geek.com/articles/geek-cete
ra/biochemist-creates-co2-eating-light-that-runs-on-algae-2012055/


>> ^newtboy:

The written description said 'with no electricity for power', but the video clearly shows an electric light in the center of the tank...not bioluminescent, electric. They tell you it only works 'in a lighted aquarium'. You even see the operator plug it in and the light turn on at :32, and again at :40, with the electric cord also clearly visible. The audio never claims the device or the algae MAKES light or electricity, only that it takes in CO2 and releases O2. The video of the garage version also shows this clearly, with the plain fluorescent lights turned on while they add the algae to a fish tank. If the power is supposed to be coming from the algae, not the grid, how is the light supposed to be being powered without any algae in the tank? There is never ANY mention of POWER being produced from the algae in the video itself, and the few ways I've read this could be possible are NO WHERE NEAR being financially viable, just possible. They require specialty genetically altered algae (expensive) and reactors with exotic materials to capture electrons from charged algae (also expensive), and the algae must be exposed to light to become charged. If, as the written description claims, they have solved this problem and ARE generating electricity from nothing more than an anaerobic reaction without external heat/light/energy required, you would think they would have said so in the video itself, and made a HUGE deal about it. They did not.
If this really worked without outside electricity added, they could put panels of the algae and reactors outside and run the white light (now inside the algae tank) indoors as a living solar panel/light setup, I note they did not do or even suggest this.
Without the 'magic', unmentioned light/electricity generating portion, this is NOT a new idea in the least as he claimed, people have advocated using simple algae and micro algae to scrub CO2 for decades, and usually in sun light rather than electric light so it's better than carbon neutral. What this really seems to be is a filter you can put OVER a light to make it produce some O2, but it also gives off far less light. There is no indication whatsoever from the video that this is intended to produce light or electricity itself without external power. I can't see where the poster got that idea. Perhaps they are involved in the project and want 'investors' that can't see the difference and can't do any research?

>> ^newtboy:

The written description said 'with no electricity for power', but the video clearly shows an electric light in the center of the tank...not bioluminescent, electric. They tell you it only works 'in a lighted aquarium'. You even see the operator plug it in and the light turn on at :32, and again at :40, with the electric cord also clearly visible. The audio never claims the device or the algae MAKES light or electricity, only that it takes in CO2 and releases O2. The video of the garage version also shows this clearly, with the plain fluorescent lights turned on while they add the algae to a fish tank.


If you follow the chain of reposting and adding more sensational claims that goes through shashdot and their source geek.com you eventually arrive at this site, which has already redacted it's claims about the algae in the lamp producing any light or power.

Going only from what's said in the video, I think the entire point is carbon sequestration. But keep in mind the algae is also absorbing some of the light from the lamp, requiring the use of more lamps to light the same area.

The written description said 'with no electricity for power', but the video clearly shows an electric light in the center of the tank...not bioluminescent, electric. They tell you it only works 'in a lighted aquarium'. You even see the operator plug it in and the light turn on at :32, and again at :40, with the electric cord also clearly visible. The audio never claims the device or the algae MAKES light or electricity, only that it takes in CO2 and releases O2. The video of the garage version also shows this clearly, with the plain fluorescent lights turned on while they add the algae to a fish tank. If the power is supposed to be coming from the algae, not the grid, how is the light supposed to be being powered without any algae in the tank? There is never ANY mention of POWER being produced from the algae in the video itself, and the few ways I've read this could be possible are NO WHERE NEAR being financially viable, just possible. They require specialty genetically altered algae (expensive) and reactors with exotic materials to capture electrons from charged algae (also expensive), and the algae must be exposed to light to become charged. If, as the written description claims, they have solved this problem and ARE generating electricity from nothing more than an anaerobic reaction without external heat/light/energy required, you would think they would have said so in the video itself, and made a HUGE deal about it. They did not.
If this really worked without outside electricity added, they could put panels of the algae and reactors outside and run the white light (now inside the algae tank) indoors as a living solar panel/light setup, I note they did not do or even suggest this.
Without the 'magic', unmentioned light/electricity generating portion, this is NOT a new idea in the least as he claimed, people have advocated using simple algae and micro algae to scrub CO2 for decades, and usually in sun light rather than electric light so it's better than carbon neutral. What this really seems to be is a filter you can put OVER a light to make it produce some O2, but it also gives off far less light. There is no indication whatsoever from the video that this is intended to produce light or electricity itself without external power. I can't see where the poster got that idea. Perhaps they are involved in the project and want 'investors' that can't see the difference and can't do any research?

That's not a UFO, it's a bioluminescent space amoeba signaling it's intention to mate. It's a phenomenon well understood by scientographologists.

the one that got away.>> ^Fantomas:

>> ^Trancecoach:
an ex girlfriend gave me a T-shirt with a graphic of dinoflagellates on the front.

The Saucy Minx!

Very cool! Did that shrimp spray a bioluminescent ink to distract the angler fish?

The low point was usage of 'u' as a shortened form of 'you' in the intro. If the next David Attenborough makes documentaries employing lolcat speak, I'll become a grumpy old bastard well before my time.

/edit:
Also just noticed that the text says 1000-5000 meters deep, versus the title of 1000-5000 feet. Not sure which is correct, but a quick google search lists the Marianas Trench at about 11000 meters deep, so the figure in meters is at least possible.

>> ^rich_magnet:
I see no direct evidence of bioluminscence in this example. It's red indeed, and the scintillation effect is produced by light scattering of the combs, not bioluminscence. Perhaps if filmed in low light...


You missed an "e," it's bioluminescence. And yes, the Bloodbelly Comb Jelly is bioluminescent. That is all.