Ruby Tetra

Ruby Tetra

The Ruby Tetra typically occupies the top and middle level of the water column, although it can often be seen swimming and feeding in the middle and bottom levels as well. It is typically safe with other peaceful, small fish. Unlike many tetras, it is shoaling rather than schooling. Due to its extra small size, it can be viewed as similar to microrasboras as far as its compatibility with dwarf shrimp. Larger, peaceful invertebrates can also make good tankmates. The Ruby Tetra must be kept in groups of at least 6 or more. Its natural habitat contains slightly acidic water rich in tannins and leaf litter. It requires very clean water to thrive and it will display optimal coloration and health in a planted aquarium with dark, sandy substrate and slow-flowing water, especially where floating plants are present.  It should not be kept with overly boisterous tankmates that will out-compete it during feeding.