![]() ![]() ![]() As a general rule, tetras enjoy cool active freshwater streams, but they can also be found in ponds, floodplains and tannin-stained lakes. ![]() A relatively new discovery has been that of the Blind tetra, found in Mexican cenotes. However, being quite a diverse family, they can also be found in Central America and central-west Africa. Most tetra species are native to southern America, commonly found in the Amazon basin. By far the most popular tetra species (and arguably one of the most popular fish species in the hobby) is the Neon tetra, with other popular species including the Black Neon tetra, Diamond tetra, Rummynose Tetra and the more circular-bodied Golden Black Widow tetra. Other than this, tetras are easy to care for as long as you follow a few simple rules. They are unfortunately quite prone to disease, so be sure to monitor for ammonia and nitrate spikes regularly, keep up with water change schedules and follow the quarantine rules before introducing new fish to your main aquarium. Most tetra species feature elongated bodies with iridescent scales and splashes of bright colours, though you will find a lot of diversity in shape and colour amongst this family.Īlmost universally low maintenance, tetras can handle fairly diverse water parameters. They have relatively long lifespans, somewhere around 6 to 8 years being fairly typical for a healthy tetra. Tetras max out at 7.5 cm (3 inches) for the largest common species, with the majority of tetra species reaching only 3.8 cm (1.5 inches) max. ![]()
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