10 Interesting Fact About The biology and ecology of sharks

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• Sharks are fish that are cold flesh which means they cannot regulate their own body temperature, so they must swim continuously to maintain stable body temperature.
• Sharks have a very sharp sense of sight and can see objects remotely and in low light conditions.
• Sharks have a very sensitive sense of smell, they can smell blood even in very small amounts to 1 part per billion.
• Sharks are carnivores and their main foods are fish, squid, shrimp, and sometimes marine mammals such as seals and dolphins.
• Some species of sharks such as whale sharks and shark basking can have a length of up to more than 10 meters.
• Sharks have teeth that continue to grow and change periodically, depending on the species, the shark can have a group of teeth up to thousands.
• Sharks have a unique respiratory system, they breathe through the gills located on the side of their heads.
• Sharks are predators that are very effective and important in maintaining the balance of marine ecosystems.
• Some species of sharks such as large white sharks and leopard sharks are very protected species because they are endangered.
• Sharks also have unique regeneration capabilities, some shark species can regenerate their teeth and even lost fins.