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Market
Will significant behavioral changes be observed in sharpnose sharks off the coast of Brazil by end of 2024?
2
Resolution / Starting Odds
Yes • 50%
No • 50%
Scientific studies or credible news reports
Story
13 Sharpnose Sharks Off Brazil Coast Test Positive for Cocaine
Jul 23, 2024, 10:02 AM
Scientists have discovered that 13 sharks off the coast of Brazil, particularly sharpnose sharks near Rio de Janeiro, have tested positive for cocaine. The presence of the drug in the sharks' muscle and liver tissues is believed to be a result of cocaine entering the marine ecosystem, possibly through the city's sewerage system or from illegal drug labs. Marine biologists are concerned that the high concentrations of cocaine, reportedly up to 100 times higher than those found in other aquatic animals, may be altering the sharks' behavior. The phenomenon has sparked significant concern and interest among researchers and the public.
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Increased aggression • 25%
Altered feeding habits • 25%
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Increased aggression • 25%
Decreased feeding behavior • 25%
Altered migration patterns • 25%
No significant change • 25%
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No • 50%
Yes • 50%
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Yes • 50%
No • 50%
Yes • 50%
No • 50%
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Climate Change • 25%
Overfishing • 25%
Territorial Disputes • 25%
Other • 25%
Yes • 50%
No • 50%
Sewerage system • 25%
Drug smuggling • 25%
Industrial discharge • 25%
Other • 25%