Editing Cardinal tetra (section)

===Lifespan===
The fish might also be effectively an annual species with a lifespan of just a single year in nature. It lives for several years in captivity. For those seeking to breed them in the aquarium, the best way to do so is by mimicking the same natural setup. A study conducted in Manaus, Brazil, subjected cardinal tetras to adverse water conditions for 96 hours. The fish perished at a low temperature of {{cvt|19.6|C|F}} and a high of {{cvt|33.7|C|F}}, and [[pH]] below 2.9 or above 8.8.<ref>{{cite journal|author=Sarah Ragonha de Oliveira|author2=Rondon Tatsuta Yamane Baptista de SouzaI|author3=Érica da Silva Santiago NunesI|author4=Cristiane Suely Melo de CarvalhoI|author5=Glauber Cruz de MenezesI|author6=Jaydione Luíz MarconII|author7=Rodrigo Roubach|author8=Eduardo Akifumi OnoI|author9=Elizabeth Gusmão Affonso|date=2008|title=Tolerance to temperature, pH, ammonia and nitrite in cardinal tetra, ''Paracheirodon axelrodi'', an amazonian ornamental fish|journal=Acta Amazonica|volume=38|issue=4|pages=773–779| doi=10.1590/S0044-59672008000400023|doi-access=free}}</ref>