Black Neon Tetra (Hyphessobrycon herbertaxelrodi)
Black Neon Tetras are from rivers in South America, and are shiny black underneath with a pale yellowish line along their middles. They look stunning, especially when shoaling together in a group. They can live happily with other soft water fish. Like most tetras, they are a shoaling fish that prefer to live in groups of six or more fish of the same species. They prefer to be in a tank with lots of live plants; rocks and driftwood also help replicate their natural habitat and provide hiding spaces. They also feel most at home (and show off their shiny surfaces) with dark coloured gravel.
Black Neon Tetras will sometimes breed in an aquarium setting, so you may need a hospital tank to look after fry. When ready to breed, the females will become slightly rounder looking, which helps to distinguish them from the males. Eggs will begin to hatch 24 hours after being laid, but fry will be eaten by the parents (or other tank-mates) unless they are removed and housed elsewhere until big enough to survive.
Black Neon Tetra will eat tropical flake food, and also brine shrimp, daphnia, freeze dried bloodworms and tubifex, and micro pellet food.
Size (fully grown): 6.8cm (2.5″)
Water temperature: 23 – 27C
Water pH: 5.8 – 8.5 (optimum 6 – 7.5)