molting stage 中文意思是什麼

molting stage 解釋
眠期
  • molting : 蛻皮, 換羽
  • stage : n 1 講臺；舞臺；戲院，劇場；〈the stage〉戲劇，戲劇藝術；戲劇文學；〈the stage〉戲劇業；劇壇。2 ...
  1. After molting three times, the zoea enter the mysis stage during which they begin to look more like adult shrimp and swim in a characteristic fashion with head and tail pointed downwards at right angles and occasionally performing a sudden retrograde jumping action. this is known as the inversion state, the fry being suspended upside - down in the upper middle region of the pond water. this is, therefore, also called the " inverted suspension phase "

    眼幼蟲脫第三次即進入糠蝦期幼蟲期mysis stage ，此期之體形已略成蝦之狀態，且具特有之游泳姿態，即頭部及尾部均向下，成一直角彎曲而時作向後跳躍游動，又因成倒立狀態，懸浮於水中的中上層，又叫倒吊期，此期幼蟲對外界的環境因素，如水溫鹽分等變化，比前兩期來得更具適應力，主要餌料為豐年蝦brine shrimp的幼蟲，但其他大小略同的動物性浮游生物，如橈腳類copepoda輪蟲類rotifera均可。
  2. At 27 - 29, the process needs about 50 hours. at 21 - 22 degrees the process needs approximately 110 hours. after molting for the sixth time, the larva enters the zoea stage

    無節幼蟲蟲隨著脫皮體形漸大，共有六期，第一期到第六期所需時間依水溫高低有所不同，通常在27 29之下約50小時， 21 22之下則約需110小時，于第六次脫皮后即進入眼幼蟲期zoea stage 。
分享友人
分享到 Line

分享到臉書