Scientists have discovered 9 species of Epaullette sharks in the coastal waters near northern Australia and New Guinea. When the tide withdraws, they use chest fins and abdomen to 'walk' in shallow water and hunting. Where do people come from? Evolutionists say that their ancestors are a live gibbon on the tree. Where does the gibbon come from? Its ancestors are a species of mammals that appear after extinct dinosaurs. Where does mammals come from? It is the evolution of primitive marine fish species climbing
. So you can also know that all life on land today originates from the ocean. Of course, some species later felt difficult to live on land so decided to evolve to return to the ocean, such as dolphins, whales .
. This study was preserved International implemented the same scientific and industrial research organization, Floria's natural history museum in collaboration with Indonesia Institute of Science and Indonesia Seafood Ministry. These are sharks that do not cause a threat to people. They are also known as "bamboo sharks", hunting small fish, invertebrates in shallow water. Swimming people can disclose them on coral reefs when the tide is low. So, at the present time, which fish is evolving to transfer the living area from the ocean to the shore? Recently, an international team consisting of scientists from Queensland University in Australia, USA, Indonesia and other countries conducted a 12-year study and discovered that some shark species Near Australia and New Guinea have actually evolved to gradually adapt to terrestrial habitats. And they are in evolutionary stages to adapt to the tide. They are said to have branched from the ancestor of 9 million years ago. The latest species may have evolved to walk on the bottom of the sea about 2 million years ago. This makes them a shark with the most recent evolutionary time
Through it gives people a completely new look on evolutionary history of sharks. Walking sharks also allow them to find food under rocks and corals. They have an average length of about 100 cm, mainly in shallow coral reefs. The food of this species is small fish and seagrass. The shark is a primitive and ancient species, which can be lost in the ocean too comfortably, so according to fossil models found, we know that More than 1,200 sharks have appeared in 400 million years. In fact, almost all shark species have not been much evolved, and many of them are considered lived fossils. However, this research of scientists is surprising to discover that There are 9 species of Epaullette sharks in the coastal waters near northern Australia and New Guinea. When the tide withdraws, they use the breast fins and abdomen to "walk" in shallow water and seek prey such as crabs, shrimp and small fish in coral reefs, they are gradually becoming a leading predator In the shallow reefs when the tide goes down. Looks, people often imagine them as the gecko is walking, rather than a fish of sharks that are gripped in the ocean. Christine Dudgeon, a scientist from Queensland University, Australia, said: "The ability to endure the low oxygen environment and go on this species to help them have superior advantages compared to small crustaceans and Morning animal ". The research team hopes, through this research project will help people understand why some animals change and adapt over time, while there are other species remaining. However at the present time, the development of walking sharks is being threatened by the destruction of habitats and excessive fishing. The researchers believe why these sharks are Can travel with fins in a low oxygen environment may be because they have been in a separate area millions of years ago and have grown into a new species. Another reason may be due to ocean's change, including the upwards of sea levels, currents and temperature changes, epaullette sharks must quickly adapt to this dynamic environment. . Therefore they have developed "the ability to despite the sky", becoming a nightmare for small crustaceans and mollusks. Of course, we don't need to be scared as they heard Fature evolution to shore, because these shark species are relatively small, they have an average length of a meter, and do not threaten people. Conversely if their meat is delicious, they will easily be turned into specialties and if black, human impacts can easily make them extinct before being able to evolve to prefer Comfort completely with the lives on land. Or no, even if their meat is not delicious, it will be "invited" to the zoo and the lab. So far, humans have evolved, and no species cause M . Dịch vụ:
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