Against the Current
Build your own current tank, and keep fishes in a setup that reminds them of home.
Have you ever been whitewater rafting and thought about what fishes can live in the river (that you were hopefully not falling into)? Many people have and know the answer: trout. And experienced hobbyists know that trout are tricky to keep; in fact, without current and high dissolved oxygen content they are nearly impossible to keep. For starters, a chiller is needed to keep temperatures low enough to allow for the oxygen levels needed by trout. Trout are some of the first fish to wash up on shore, during prolonged periods of warm weather or when a pollution spill strikes.
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