The Nile perch is nefarious yet applauded.

尼罗河鲈鱼虽然凶猛但也颇受欢迎。

Nile Perch in Lake Victoria: Introduced Devastation of an ecosystem.

人为引进的生态灾难：维多利亚湖的尼罗河鲈鱼。

The Nile perch is nefarious yet applauded (in the short run). Don't be afraid to call it when you see it.

尼罗河鲈鱼虽然凶猛但也颇受欢迎（短期来说）。当你遇到它时，勇敢面对吧。

Good intentions are rewarded with plenty of Nile perch (for now) but a degraded ecosystem in the long run.

于是回报当初人们的美好愿景的是，大量的尼罗河鲈鱼和指日可待的环境退化。

I've found there are two types of thoughts especially worth avoiding-thoughts like the Nile Perch in the way they push out more interesting ideas.

我发现，有两种类型的思考尤其应该避免——一种思考就好比尼罗河巨鲈(Nile Perch)，它们会把其他更多有趣的想法都赶跑。