Calm and colourful, GMO Tetras make a great starter fish for beginners. These peaceful community fish form schools and prefer to live in groups of 5 to 7 fish. Genetically modified Tetras do not fade or lose their colour.
| Scientific name | Common Name | Size | Temperament |
| Gymnocorymbus ternetzi | GMO Widow Tetra | 6cm | Peaceful Community fish |
| Water Temperature | Water pH | Tank size | Diet |
| 24-27oC | 6,0-7,5 | 38L upwards | Omnivores |
| Lifespan | Care | Breeding | Hardness |
| 3-5 years | Easy | Easy | 4dGH (Soft to moderate) |