Many people wonder: Is marine animals drowned when living in water? Frances Withrow, marine scientist in Oceana (marine environmental protection and conservation organization) decided to find out. He said: "Sea animals also need oxygen to live. They maintain existence with dissolved oxygen, while humans and other terrestrial animals take oxygen directly from the air. Most fish that breathe when water flows through their brings. But if their bearing is damaged or water cannot / not enough to move through, they will die from suffocation due to not enough oxygen
. In fact, fish and other marine creatures do not drown, but they will die from lack of oxygen ".Customers, fishing equipment as possible hooks that can be damaged, torn of fish. In addition, the pathogens cause death in fish mainly due to bacteria, they cling to carrying and preventing oxygen filtration process from water or ruining the function of bringing fish to make them lose their effect
Although some fish can pump water through bring even if they are sleeping, most fish have to swim continuously to flow through their carrying. Therefore, if they are stuck in fishing net or areas with many obstacles ... they will not be able to swim and absorb oxygen from water that are led to suffocation.so with marine creatures, sharks need to be fined To swim. However, many fishermen have caught them to get fins. Shark fins are very valuable in the market, especially to make food like micro shark soup ..
after cutting, they throw sharks back to the sea. Withrow said: "This is an illegal activity, it's not good for shark populations in general but also quite cruel. Because they don't know that the shark cannot swim after being cut, it will be eaten by other predators, died of hunger or suffocation. According to the estimated international whale hunting committee, very It is difficult to determine how many sea animals are suffocating every year. However, it is estimated that about 300,000 whales, dolphins are dead due to fishing net. Another cause of mass death for sea animals It's the ocean without enough dissolved oxygen for them to breathe. If the waters have too many plankton produced in a short time, they will remove all the nutrients and oxygen in the water and make fish in that area suffocated. Moreover, warm water does not hold a lot of dissolved oxygen with cold water. When the ocean temperature increases due to climate change, it has made the "lack of oxygen" waters more rapidly than before. . Dịch vụ:
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