Biofluorescent fish (video)

From National Geographic:

Researchers studying biofluorescent coral also discovered a shark that reflects certain light, along with a stingray, eel, and other fish. The study, published January 8, used special lighting and camera filters to identify more than 180 species of marine fishes that exhibit biofluorescence.

Here’s a seahorse:


And here’s a shark:


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  • cole3244

    interesting, could this be nature creating a need by evolving over time as so many species do in an evolutionary way, shh, don’t tell the cons about this we don’t want to scare them any more than they already are.
    thanks for the info.

  • perljammer

    I’ll apologize in advance for getting a bit pedantic; thought you might be interested in this.

    The phenomenon that is the subject of the Nat Geo article is bioflourescence, which occurs when living tissue emits photons as a result of having been stimulated by energy, usually in the form of light. In the case of this article, the researchers were using “special lighting” to illuminate the fishes, and “special filters” to pick up the emitted (not reflected) light.

    The phenomenon exhibited by deep sea creatures that glow in the dark is bioluminescence, which occurs when some process within the creature (e.g., chemical or electrical) results in the emission of light. No external stimulation (such as exposure to light) is required.

  • A bioflorescenteseahorse, this is really cool!!! Wonderfull video too!

    Here’s a seahorse:

  • cole3244

    there is so little light at the depth these creatures live at just like cats need some light to see in the dark maybe this phenomenon is occurring so they can identify each other and see in the dark so to speak, that’s my take & i’m sticking to it lol!

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