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Five Brackish Fish Every Aquarist Should Keep

Freshwater fishkeepers can keep these five great fish, and they don’t require a large aquarium.

By Stephen G. Noble |

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Long-time readers of Freshwater and Marine Aquarium know that I have a penchant for brackish aquariums. In my several brackish articles, I have introduced transitioning a freshwater aquarium to brackish water ("Going Brackish,” June 2007), and most recently, I presented two great brackish species: archerfish ("Ready, Aim — Fire!,” September 2008) and bumblebee gobies ("Buzzing About Bumblebees,” April 2009). With scores of candidates to select from, choosing the final contenders for this top-five list of brackish fish was quite challenging. The following criteria were used to help with the decision:

1) The fish must be a fairly hardy species that is brackish-water tolerant.

2) An experienced aquarist will be successful with the species.

3) The water needed to keep them will be slightly brackish with a specific gravity (SG) of 1.003 to 1.005.

4) The fish must be able to thrive (not just exist) in a 55-gallon aquarium.

5) It must be reasonably available.

Want to read the full story? Pick up the April 2011 issue of Aquarium Fish International today.

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