Reposted by Vinicius Giglio
Energetics suggest Great Hammerhead Sharks only need to eat ~0.7% of their body weight per day of other sharks to survive. Means a ~250 kg big one would only need to eat one ~50 kg shark every three weeks! Good reason to be shark and ray-eating specialists.
link.springer.com/article/10.1...
link.springer.com
Energetic benefits of prey choice for a shark-eating shark - Oecologia
Optimal foraging theory has been used to understand the foraging choices of animals but is rarely applied to large predatory fishes due to difficulties measuring their behavior in the wild. Great hamm...
