About 4 species.
a neon tetra is a fish. It has all sorts of neon colours on its body!
Simply by looking at it and comparing it with others of the same species.
Green neon tetra was created in 1963.
Black neon tetra was created in 1961.
A neon tetra breaths the same way as any other fish with gills
A baby neon.
the scientific name for the Black neon tetra fish is Hyphessobrycon herbertaxelrodi
They usually all live in captivity.
it is slightly wider, and has a more curved blue stripe
Question is not clear. Do you mean: "What types of tetra fish are there?" Neon, black neon, black, headlight-taillight, bleeding heart, carninal, glow-lite, to name a few, and there are many others.
i wouldnt recommend it as neon tetras should be kept in schools of 5 and the stress couldnt easily kill the tetra
Peru and Brazil.