Sharks
Sharks are a diverse group of cartilaginous fish that have existed for over 400 million years, playing a crucial role as apex predators in ocean ecosystems worldwide.
Predating dinosaurs by nearly 200 million years and surviving multiple mass extinction events, these ancient predators have changed remarkably little in body plan despite the vast stretches of time that have passed.
Ancient Survivors
Sharks first appeared over 400 million years ago, predating dinosaurs by roughly 200 million years, and have survived multiple mass extinction events throughout Earth's history.
Skeletons of Cartilage
Unlike most fish, sharks have skeletons made of cartilage rather than bone, a lighter and more flexible material that contributes to their efficient swimming ability.
Apex Predators
Many shark species serve as apex predators in ocean ecosystems, playing a crucial role in maintaining the health and balance of marine food webs by regulating prey populations.
Facing Significant Population Decline
Global shark populations have declined dramatically in recent decades due to overfishing and the shark fin trade, prompting significant international conservation efforts to protect various threatened species.
