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Started By
Message
Weird blue pulsing light when catching sharks
Posted on 10/31/25 at 7:52 am
Posted on 10/31/25 at 7:52 am
I have been catching small sharks off the pier at Calcasieu Point boat launch.
Everytime I catch one and get it close to the dock, there will be a small pulsating blue light emit from them.
I have since seen this pulsating light in the water and can almost site cast and catch them on ladyfish chunks.
Im not going crazy, am I?
Everytime I catch one and get it close to the dock, there will be a small pulsating blue light emit from them.
I have since seen this pulsating light in the water and can almost site cast and catch them on ladyfish chunks.
Im not going crazy, am I?
6
Posted on 10/31/25 at 7:58 am to LSURoss
quote:
That pulsating blue light you’re seeing could be bioluminescence, and it’s not coming from the shark itself — it’s likely from bioluminescent organisms (like dinoflagellates or small jelly-like creatures) being disturbed in the water around the shark.
Posted on 10/31/25 at 7:59 am to W2NOMO
Could they be on the shark itself?
Posted on 10/31/25 at 8:00 am to W2NOMO
Also, this is almost exactly what chatgpt told me as well. 
Posted on 10/31/25 at 8:02 am to LSURoss
quote:yup. ChatGPT. that’s why I put it in quotes :thumbsup:
Also, this is almost exactly what chatgpt told me as well.
This post was edited on 10/31/25 at 8:12 am
Posted on 10/31/25 at 8:07 am to LSURoss
Sounds like they are starting to grow fricking laser beams in their foreheads.
Posted on 10/31/25 at 8:09 am to Turnblad85
It's all Dr. Evil ever wanted.
Posted on 10/31/25 at 8:14 am to LSURoss
Bioluminescence baw. Its algae and bacteria and stuff in the water the glows when violently disturbed, such as by a trashing nasty arse shark.
You can see it in a boat wake in the right conditions.
You can see it in a boat wake in the right conditions.
Posted on 10/31/25 at 8:19 am to LSURoss
quote:
have since seen this pulsating light in the water and can almost site cast and catch them on ladyfish chunks. Im not going crazy, am I?
We called it “phosphorus” not sure what it really is but it’s in the water it’s nothing to do with the shark. It will be in the spray of a boat at night and is pretty cool when it’s a dark slick night just lighting up all around the boat.
Posted on 10/31/25 at 9:34 am to Ol boy
Cool. These little f'rs are fun to catch but are a pain at unhooking. The picture I posted, he is hooked under the lip and I guess rolled himself up into my leader. He didn't make it
Posted on 10/31/25 at 9:55 am to LSURoss
Finally, after 28 agonizing years, he gets his way.
This post was edited on 10/31/25 at 9:59 am
Posted on 10/31/25 at 10:33 am to LSURoss
You catching any good fish?
Posted on 10/31/25 at 10:41 am to Churchill
Mainly these dumb sharks, lots of 5-6lb hard heads and an occasional ray/skate.
With my work schedule I only get to go Thursday and Friday nights 7p-11pish
With my work schedule I only get to go Thursday and Friday nights 7p-11pish
Posted on 10/31/25 at 10:45 am to dstone12
quote:
Finally, after 28 agonizing years, he gets his way.
But yeah, bioluminescence. I've never actually seen it though.
Posted on 10/31/25 at 11:05 am to LSURoss
quote:
He didn't make it
Oh well. one less shark. Frick a shark
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