Recently, in the mother river Tiaoxi in Yuhang, Hangzhou, Zhejiang The native survey team discovered a new fish species ——Tiaoxi bream It is a fish of the genus Cyprinidae in the order Cypriniformes. The Tiaoxi bream is a new species discovered for the first time They like to live in the Tiaoxi River system where the water flow is relatively gentle. Small pebbles on the bottom or in a clear shallow stream of gravel Currently only in Yuhang and Deqing The discovery of the Tiaoxi River Basin in the two places Its discovery is the first time that Yuhang’s wild animals and plants have been discovered. A landmark achievement of the background survey It also means Tiaoxi Now has a species named after him The Tiaoxi bream is small in size. The whole body shines with royal blue metallic luster It is decorated with lemon yellow Like a gem in the water Dreamy and dazzling The beautiful Tiaoxi bream, the white particles on its mouth are star beads What is mullet? Liè is one of the most beautiful native fish in my country. Also called peach blossom fish Records of the Chinese croaker The earliest can be traced back to the Southern Dynasty 1500 years ago Initially, this fish may have been known to have a very developed anal fin. It is named after the mane (mane) on the neck of a wild beast. Holotype specimen of Tiaoxi bream (male on top, female on bottom) Today The term "鱲" refers to a broad group of fish belonging to the subfamily Opsariichthyinae of the Cyprinidae family. Males of this group Often displays unusually bright colors during the breeding season And a well-developed star bead grows on the head Used for fighting and courtship The most common genus is The genus currently contains three species: Broadfin bream (Zacco platypus) Chinese snapper (Zacco sinensis) Spiny bream (Zacco acanthogenys) Discovery of new fish species Determining a new species requires extreme rigor Not only in terms of morphological characteristics Different from other species At the same time, molecular systematic analysis Prove that these samples are similar to previously discovered species There are also significant differences at the genetic level The survey team members collected samples A closer look Conduct cooperative research with Zhejiang Forest Resources Monitoring Center, Shanghai Ocean University, etc. Finally, they jointly confirmed the birth of the new species. Streams in the Tiaoxi River Basin So what should we name this new species? The players were very excited at that time. Everyone expressed their opinions Some are named after their appearance There are also other aspects such as color... After intense discussion Finally, it was decided to name it Zacco tiaoxiensis. Not only can it help people understand the origin of its model I hope to pay tribute to the mother river of my hometown, Tiaoxi River, in this way. Tiaoxi River is one of the eight major river systems in Zhejiang Province. It is the main source of water for Taihu Lake. Because reeds grow along the stream People call reed flowers "tiao" stream The bank is full of sweet potato flowers, and the name comes from the fact that the sweet potato flowers often fly in the air in autumn. The basin covers the eastern part of Lin'an District, Yuhang District, Deqing County, Anji County, Changxing County, and Huzhou City It is the most important natural river in Zhejiang Province. Crowds of people admiring reed flowers in Tiaoxi in autumn |
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