Caffeine, cocaine, and painkillers detected in sharks from The Bahamas
LostMyLogin
75 points
53 comments
April 13, 2026
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Discussion Highlights (17 comments)
dobladov
This classifies Cocaine Shark as a documentary https://en.wikipedia.org/wiki/Cocaine_Shark
metalman
this clearly points to an previously unknown seasonal migration from wall st.
stavros
After the "plastic glove" smoking gun the other day, I wonder if this is another instance of lab contamination making it into the results.
tskulbru
First it was cocaine bear, and now cocaine shark.
losthobbies
#justlikeus
laughing_man
I wonder how much of this is just that our tests are getting more sensitive.
tcper
Sharks obtain cocaine by eating people?
nashashmi
Does that make for more aggressive sharks in the waters with unexplained behaviors? Is caffeine really that bad?
croemer
The measured concentrations are on the order of 1-20 ng/mL in blood. Cmax in humans when taking those drugs are about 100-1000x higher. I wouldn't put too much weight on the finding that those with detections had different urea/lactate etc. There might be something underlying explaining both drug and physiology, like age. Could still be bad to have chronic exposure at such low levels - also fish physiology is different.
dotcoma
They probably ate lawyers from New York who were on vacation…
numpad0
Not surprising. A lot of these substances get metabolized , or just diluted by water and filtered out without being like, magically deconstructed and turned into all CO2 and H2O and N2. So a lot of wacky chemical compounds humans tend to consume tend to get detected wherever humans gather and discharge bodily fluids that eventually reach the ocean. This does not immediately indicate that e.g. evil corporations are dumping toxic wastes, forever plastics pieces are leaching out scary additives, etc.
mghackerlady
I see they've graduated High School
kleiba2
Party on, sharks!
BLKNSLVR
Now all they need is blackjack and hookers.
saivan
Reggae Shark is Real https://www.youtube.com/watch?v=A3ytTKZf344&list=RDA3ytTKZf3...
juancn
These sharks surely know how to party!
dr_faustus
Thank god, it's not microplastic!