KnowraRainbow troutLinked fromLinked fromThe 5 pages that link to Rainbow trout, each with the reason it gives.All 5Broader topic 3Compared with 2Nile perchCompared with: Like Nile perch, it became a valuable introduced fish with ecological effects in new waters.Brown troutCompared with: They are a widely introduced trout often confused with brown trout, but belong to a different genus.