US EditionBull Sharks Form Social Relationships with Specific 'Friends,' Research Reveals
A six-year study of 184 bull sharks reveals they form selective social bonds, often preferring females, with adult sharks central to their social networks, researchers said.
- Researchers from the University of Exeter, University of Lancaster, Fiji Shark Lab, and Beqa Adventure Divers tracked 184 bull sharks over six years at Fiji's Shark Reef Marine Reserve, discovering they form intentional social bonds rather than mixing randomly.
- Historically viewed as solitary predators, bull sharks actually cultivate "rich and complex social lives," said behavioral ecologist Darren Croft of Exeter's Centre for Research in Animal Behaviour.
- Data analysis revealed 1,438 associations and 1,719 interactions, with adult females forming the "core" of networks while smaller males integrate socially to gain protection and resources, according to lead author Natasha Marosi.
- Protecting aggregation sites like the Reserve is essential for preserving these social networks, which facilitate foraging and reproduction, providing a roadmap for future sectoral-focused shark conservation policies.
- Scientists emphasize that much remains to be learned about whether these sharks hunt together or cooperate, signaling this finding is foundational to deeper investigation into shark social dynamics.
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30 Articles
For decades, sharks have been portrayed as solitary predators, away from any form of complex social interaction. However, a study published this week in the Animal Behaviour magazine challenges that idea and suggests that these animals can form stable social bonds, similar (to some extent) to what might be considered “friends.” What does the study say?According to The Washington Post, the research focused on bull sharks (Carcharhinus leucas), on…
Science Daily
ecotopical.comScientists just discovered bull sharks have friends
Bull sharks may have a reputation as lone hunters, but new research reveals they actually form social bonds and even have preferred “friends.” After six years of observing 184 sharks in Fiji, scientists discovered these animals don’t just mix randomly—they choose companions, swim together, and even follow one another in coordinated ways.
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