Fish Disease Tips: Only medicate your main tank as a last resort. Use the quarantine tank setup for medicating sick fish and for monitoring new arrivals.
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The black neon tetra (Hyphessobrycon herbertaxelrodi) is a freshwater fish of the characin family (family Characidae) of order Characiformes. It is native to the Paraguay basin of southern Brazil.
The fish’s natural diet consist of small invertebrates and plants.
H. herbertaxelrodi is commonly kept as an aquarium fish by hobbyists.
The black neon tetra is sometimes called the black tetra, but that name more properly refers to a different species, Gymnocorymbus ternetzi.
Black neon tetras should be kept in soft acidic water, which should be kept clean at all times. Their tank should contain live plants, a darker substrate and open water for swimming. Black neons should be kept in groups of at least 4-6 black neon tetras.
These fish swim at the top level of the aquarium, and do not feed from the bottom of the tank. Therefore it is recommended that they are kept with other bottom dwelling fish (such as a pygmy corydoras) so that leftover food is then eaten up off the substrate and not left to waste.