Shark is an apex predator that sits on the top of the marine food chain. There are more than 400 different species of sharks. Each of them has their own unique behavior and anatomy. They are closely related to sting rays. They have been on our planet for 400 million years. They survived 5 mass extinction events. They have remained almost completely unchanged. Sharks attack humans very rarely but humans are the deadliest predator of them. They are more scared of us than we could ever be of them. According to a recent report, sharks kill 12 humans in a year but 11,417 sharks are being killed per hour by humans.
Fun Facts: –
- They have an excellent sense of smell and can detect a single drop of blood in about 100 liters of blood.
- They generally have about 45 to 50 tooth. If they lose one tooth another spins forward from the row of backup teeth.
- Sharks live in oceans of all over the world.
- They have a line of canals going from the head to the tail. It helps them to feel the vibration in the water.
- Whale Sharks and Basking sharks are the world’s two largest species of fish.
- Sharks are killed by humans to supply the demand for their fins that are made into soup and eaten as a delicacy.
- They do not use vocalizations for communication. They completely rely on body language.
- Contrary to popular myth that they are attracted by yellow color, they cannot see any color at all.
- The gestation period of a shark can range anywhere from 5 months to 2 years.
- An average Great White Shark can eat 11 tons of food in a year.
- For each person killed by sharks, 25 million sharks have been killed on an annual basis.