These omnivores grow in proportion to their diets, and over the next decade, they develop into larger yellow eels.

这些杂食动物的生长速度与其食量成比例，在接下来的十年里，它们会长成更大的黄鳝。

Researchers were aware of leptocephali and glass eels, but no one guessed they were related to the elvers and yellow eels living hundreds of kilometers upstream.

研究人员知道细叶鳗和玻璃鳗，但没有人猜到它们与白叶鳗和黄鳗有关，后者生活在上游数百公里处。