We all know that the conception of life is great, we humans often say that October pregnancy, but for animals may not be October pregnancy, like elephants may be pregnant for more than 600 days (22 months), but this is not the longest, our mythological story of Nezha up to 3 years, but the mythological story is a mythological story after all, if you really want to be more real this problem, then Sun Wukong is longer, so we still come to some reality, today for you to introduce the longest pregnant animal "basking shark".
<h1 class="pgc-h-arrow-right" data-track="3" > an introduction to basking sharks</h1>
Basking sharks are the world's second largest filter-eating sharks after whale sharks. It is also the nightmare of the deep-sea fearer, these days the vibrato often flips to see the sea surface suddenly turn to the sea, and then a big mouth comes over, I feel that at that moment can let the deep-sea fearer not touch the mobile phone for a minute, basking shark is an oceanic large shark. The body is spindle-shaped and the torso is thicker. It inhabits the waters of continental and island sheds in the open seas , but it is often found on shore , outside the intertidal zone , or in the inner bay. Often wander in groups, less on their own, sometimes in the hundreds, slowly cruising under the water, filtering some food to fill their stomachs.
< h1 class="pgc-h-arrow-right" data-track="7" > basking shark distribution</h1>
Basking sharks are found in temperate oceans around the world. It is found in icelandic and Norwegian waters. They adapt to water temperatures ranging from 8 to 14 °C. They migrate frequently and occur seasonally in certain areas. It is found in China in the Yellow Sea, the East China Sea and the northeastern part of Taiwan. We may encounter these giants in our country, I hope that everyone is not seen when swimming, and as China's environmental protection efforts increase, the environment is getting better and better, and the recent rescue of whales is also frequently on the hot search, so that people around the world can see the strength of our country's protection of marine life.
<h1 class="pgc-h-arrow-right" data-track="10" > basking shark breeding method</h1>
Basking sharks are oviparous, growing embryos will rely on yolk, basking sharks gestation period of more than 1 year, possibly 2 to 3 years, the number of each litter is unknown but very small, the birth of baby sharks is only 1.5 to 2 meters long. In the past of basking shark research, only one pregnant basking shark was caught, and it was pregnant with 6 unborn baby sharks. Basking sharks generally mate in early summer, and female basking sharks swim into shallow waters to give birth in late summer.
<h1 class="pgc-h-arrow-right" data-track="13" > basking sharks for humans</h1>
Due to the slow and non-aggressive speed of basking sharks, the number of basking sharks was still large, and it was historically the main prey of some fisheries. They have a wide range of commercial uses, the body can be used as food and fishmeal, fish skin can be used as leather, and liver can be used as cod liver oil. As a result of the severe decline in the number of basking sharks, their trade is protected and restricted in many countries. They are fully protected in some countries. It is illegal to hunt basking sharks in New Zealand. But there is no objection to boats and divers approaching basking sharks, so basking sharks appear in some ordinary areas, which become a sign that attracts tourists.
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