Shark is the general name for animals of the order Carcharoderma, and about 500 different species have evolved so far. The smallest shark is the pygmy shark, which is only about 17 centimeters long, while the largest shark is the whale shark, which is over 12 meters or even longer. The sharks that o...
Sharks are often considered a difficult species to farm in captivity, primarily due to the challenges of several key factors:Space requirements: Most shark species require large swimming spaces to maintain their natural habits and activity levels. Providing a body of water large enough to meet these...
There are no sharks in Lake Baikal. Lake Baikal is one of the oldest, deepest and largest freshwater lakes in the world, located in Siberia, Russia. Although Lake Baikal is rich in aquatic life, sharks are not one of them. Sharks mainly live in the ocean because they need salt in th...
Sharks have played the role of apex predators in marine ecosystems since ancient times, and their species has a long history, dating back 500 million years. Today, scientists have identified nearly 500 species of sharks, but many species have been lost in the long river of evolution. Have you ever w...
It is a common belief that if sharks stop swimming, they will die. But is this really true? Let's take a look. If you look at nurse sharks and tiger sharks, this belief has been proven wrong: these sharks and some other shark species can stop swimming...
Sharks can be said to be the top overlords among marine life today. Whether it is speed, bite force, bite ability or attack strategy, they are all top-notch players. But if you push the time back to the Devonian period 405 million to 365 million years ago, sharks are not outstanding. They are...