Buy South American Tetras Online UK
Browse South American tetras for sale online, including colourful schooling fish for peaceful community aquariums. Tetras are popular because many species stay small, show attractive colours and look best when kept in groups.
This category includes species suitable for planted tanks, blackwater-style aquariums and mixed community setups. Most tetras prefer stable water, suitable group sizes and peaceful tank mates.
When choosing tetras, consider adult size, activity level and whether the species is gentle or likely to nip fins. A good group often looks more natural and helps reduce stress.
Related aquarium categories
RasborasDaniosBarbsCatfish, Cory & Pleco
Frequently asked questions
How many tetras should I keep together?Most tetras are schooling fish and should usually be kept in groups of at least six, with larger groups often looking better.
Are tetras good beginner fish?Many are suitable for beginners, provided the tank is cycled and water quality is stable.
Can tetras live with guppies?Many peaceful tetras can, but avoid fin-nipping species with long-finned guppies.
Do tetras need plants?Plants are not always essential, but they help tetras feel secure and improve the aquarium display.