Fish Tank Maintenance Tips: Try to change some of the water in the tank on a regular basis. Small frequent (weekly or every two weeks) water changes are better than infrequent large water changes. Small water changes will cause less stress and shouldn’t interfere with the biological cycle in the tank. If you have a larger tank, get a Python Vacuum or a Lee’s Premier Ultimate Gravel Vac. These vacuums make doing water changes a breeze. Gravel vac only half of the tank with each water change. Switch sides on the next water change.
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The Colombian tetra or blue-red Colombian tetra, Hyphessobrycon columbianus, is a freshwater fish of the characin family. The Colombian tetra is native to the Rio Acandi drainage system in Colombia, South America. The Colombian tetra’s habitat tends to be slow-flowing creeks and tributaries.
Growing to about 6.5 cm (2 in) total length, the Colombian tetra is greyish in colour. It has a slight blue tinge from the lateral line upwards. The fins are normally orange but the colour will fade as the fish rests.
The Colombian tetra is generally a hardy, adaptable fish and has a lifespan of 3 to 5 years. It eats all common aquarium foods such as flake food, frozen and freeze-dried foods and small live foods. They prefer neutral or slightly acidic water at around 24-26oC. Although they have been known to harass other fish, the likelihood of this happening is greatly reduced if they are kept in groups of six or more. The Colombian tetra can be bred in a similar way to other species in the genus.