Glowlight tetra (Hemigrammus erythrozonus)
Name - Glowlight tetra (Hemigrammus erythrozonus)
Size - 2cm
Size when adult - 3cm
Difficulty - Easy
Water requirements - pH between 5.0 - 7.5, soft to medium hard water.
Notes - Best in groups, one of the most popular small tetras from South America, they are a very easy to keep species that is often overlooked as being 'Old school' they have been in the hobby for over 100 years and still they remain popular :) Give them a go, they are cheap to buy and look amazing in your tank.