Read more on our helpful post on whether tetras can live in cold water.įloating tank thermometers are also reasonably priced and very available. A reliable heater can be purchased online, or in a brick and mortar pet store for under fifteen dollars. Tetras prefer temperatures that reflect their tropical and subtropical habitats in the wild, with acceptable water temperatures ranging from about 75° F to 85° F, or 23° C to 29° C.Ī tank heater and thermometer will ensure that fish keepers can easily maintain appropriate water temperatures. Wild tetras will fall victim to the debilitating results of cold snaps, but fish keepers can spare their tank inhabitants exposure to harmful temperatures. One of the most paramount elements of fish keeping is providing your aquatic buddies with the appropriate water temperature. Lifespans of tetra fish kept in captivity can significantly rival those of wild tetras. Interesting READ Why Is My Betta Fish Standing Straight Up Tank Temps And Tetra Longevity Read more about signs of sickness in our popular article: do tetra fish play dead? This is a factor that a potential first time fish keeper may want to keep in mind when making their purchase. These smaller fish may be more vulnerable to problems within the tank, such as spikes in ammonia levels, and may become ill more quickly, and to a more severe level due to their petite size. These bigger species can boast longer life expectancies possibly due in part to their size offering fish keepers a heartier companion.Įmber tetras, which have been known to live as long as ten years, only grow to be about 2 cm long. The Congo tetra, a larger species, can grow to be about 3 inches long. Smaller species of tetra, such as Yellow Phantoms and Cardinals can grow to be about 20 to 30 mm long. Tetras offer fish keepers the opportunity to select from a seemingly ever expanding range of sizes. ![]() Tetras are still being identified today, with the most recent discovery being in 2018 in the waterways of Brazil. They are schooling fish, and prefer to live in community groups. Tetra habitats in the wild range from the low 70s to the high 80s Fahrenheit (or from around 21 to 26 ° C) during the most comfortable points of the year. ![]() They are found in tropical and subtropical locals and are present in Central and South America as well as Africa. The stunningly diverse pet fish we commonly refer to as tetras are members of the Characidae family. These differences can come into play when discussing tetra lifespan. However, tetras do hail from multiple locations on the globe and come in a myriad of colors and sizes. All the tetra species have similar body structures and habits that lend to them being grouped together. V) Conclusion When Kept In Captivity, Tetras Can Live For Approximately Five To Ten Years.ĭue to the fact that over forty species of fish fall under the classification of tetra, the estimated lifespan for a new tetra can vary a great deal.
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