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Most significant behavioral change in Brazilian sharpnose sharks due to cocaine contamination by end of 2024?
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Resolution / Starting Odds
Increased aggression • 25%
Altered feeding habits • 25%
Changes in migration patterns • 25%
Other • 25%
Reports from marine biologists or scientific studies
Story
Brazilian Sharpnose Sharks Off Brazil Coast Test Positive for Cocaine
Jul 22, 2024, 11:09 PM
Scientists have discovered that Brazilian sharpnose sharks in waters off the coast of Brazil, particularly near Rio de Janeiro, have tested positive for cocaine. Marine biologists believe the drug likely entered the ecosystem through the city's sewerage system, potentially altering the sharks' behavior. The phenomenon has been dubbed 'Cocaine Sharks' and is causing concern among researchers about the environmental impact and the potential danger to humans. It is suspected that smugglers dumping their stash in the water may have contributed to this issue.
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Similar markets
Increased aggression • 25%
Decreased feeding behavior • 25%
Altered migration patterns • 25%
No significant change • 25%
Yes • 50%
No • 50%
20-50 • 25%
Less than 20 • 25%
51-100 • 25%
More than 100 • 25%
Yes • 50%
No • 50%
Yes • 50%
No • 50%
Oswaldo Cruz Foundation • 25%
Federal University of Rio de Janeiro • 25%
Brazilian Institute of Environment and Renewable Natural Resources (IBAMA) • 25%
Other • 25%
Public awareness campaign • 25%
Increased monitoring and testing • 25%
Stricter regulations on sewerage systems • 25%
Other • 25%
Climate Change • 25%
Overfishing • 25%
Territorial Disputes • 25%
Other • 25%
Sewerage system • 25%
Illegal drug labs • 25%
Drug trafficking routes • 25%
Other • 25%
Sewerage system • 25%
Illegal drug labs • 25%
Runoff from urban areas • 25%
Unknown sources • 25%
Yes • 50%
No • 50%