剑尾鱼属 Xiphophorus
剑尾海蛇属 Aipysurus
剑尾鱼 Xiphophorus hellerii ; Xiphophorus helleri Heckel ; [鱼] Xiphophorus
危地马拉剑尾鱼 Xiphophorus signum
侏剑尾鱼 Xiphophorus pygmaeus
科氏剑尾鱼 Xiphophorus cortezi
墨西哥剑尾鱼 Xiphophorus continens
中美洲剑尾鱼 Xiphophorus nezahualcoyotl
剑尾目 Xiphosura ; Xiphosurida ; Order Xiphosurida
杂色剑尾鱼 Xiphophorus variatus
本文还讨论了剑尾鱼鳃结构与其功能的密切关系。
The good relationships between the structure of fish gills and their function were discussed.
小型软鳍鱼类的一个大科; 淡水鳉科小鱼; 花尾汤鲤; 剑尾蝽; 古比鱼。
Any of several small New World freshwater fishes of the genus Fundulus, related to the killifishes.
因而推测,剑尾鱼的侏儒突变是由于脊椎的发育缺陷所致,椎体异常是其体型变化的结构基础。
Therefore, the dwarf mutation in X. helleri is caused by the developmental defect in spinal column, and the vertebral malformation underlies the body type alteration anatomically.
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