Predators like the smallmouth bass have caused problems for the upper river's environment.

像小嘴鲈鱼这样掠食者已经给科罗拉多河上游环境造成了问题。

Their aim is to control smallmouth bass and other predatory fish below the dam.

目标是控制兰峡谷大坝小嘴鲈鱼和其掠食性鱼类。

Biologists have been working there to protect native fish which are threatened by the appearance of the smallmouth bass.

生物学家一直在那里工作，以保护因小嘴鲈鱼出现而受到威胁本地鱼类。

You can catch largemouth bass or smallmouth bass.

你可以捕捉到大嘴巴或小嘴巴。

You wanna go for smallmouth bass?

您是不是要找: smallmouth bass?

Depends if you're going for largemouth or smallmouth bass.

这取决于您是要选择大口或小口低音。