Xiphophorus helleri 剑尾鱼 ; 红剑鱼
Hemibrycon helleri 赫氏半啮脂鲤
Xiphophorus helleri Heckel 剑尾鱼
Schizoeaca helleri 高山棘尾雀
Cichlasoma helleri 赫利氏丽体鱼
Uca helleri 赫莱利招潮蟹
Objective To explore the feasibility about Xiphophorus helleri, Poecilia and Gambusia affinis as test organisms for 7 day subchronic toxicity test .
目的探索红剑鱼、孔雀鱼和食蚊鱼作为实验动物用于七天亚慢性毒性试验材料的可行性。
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.
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。
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