![]() In many cases, fish suffocate even in the cleanest water simply because oxygen cannot diffuse into the water as fast as it is consumed. Bowls taper toward the top, so completely filling them leaves too little water surface for proper gas exchange. Part of this has to do with how the surface area of the air-water interface changes as you fill them.įish bowls are usually pretty small anyway, so the temptation is to fill them all the way up. However, bowl-shaped vessels are especially faulty. Undersized housing is bad for fish (or any animal) in any situation. Preventing these rapid fluctuations isn't very easy, either, due to the smaller water volume and typical lack of water filtration. This is because they are comparatively less stable both physical and chemical parameters tend to swing wildly in fish bowls. Though it may seem counterintuitive, smaller containers require much more expertise to successfully operate over the long term. This is particularly so where novice fishkeepers are concerned. BIG FISH BOWL UPGRADENothing could be further from the truth.Īs many seasoned aquarium retailers will surely tell you, the vast majority of attempts to keep fish in bowls ends in one of two ways: either keepers quickly find the bowl too difficult to manage and upgrade to a conventional aquarium system anyway, or their experience with the bowl is so frustrating that they give up on fishkeeping altogether. Most often and most incorrectly, some believe that because a fish bowl is smaller, it is easier to maintain than an aquarium. Additionally, some hobbyists, particularly those who are hesitant to spend much money, might consider a fish bowl a cheap alternative to a fish aquarium.īut for fish, they do not provide a healthy or suitable environment. You do have to admit that many of these bowls, especially when stocked with a miniature fish and a sprig of aquatic plant, can be quite cute. Whether on the office desk, a bedroom nightstand or an entry table in your home, it's understandable why someone might want that little splash of life that a fish bowl seems to provide. Even for many of us who already own and maintain sizable aquarium systems, the idea of keeping fish in a tiny enclosure can be rather appealing. ![]()
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