Half-black guppies are a popular and attractive variety of guppy fish (Poecilia reticulata). As the name suggests, these guppies have a distinctive color pattern where approximately half of their body is black, while the other half can display various colors, including red, blue, yellow, or any other color characteristic of guppies. Half-black guppies are often used in breeding programs to develop new color variations and patterns in guppies. Their unique appearance makes them a popular choice for guppy enthusiasts and aquarists.
| Care level: | Temperament: | Colour: | Lifespan: | Size: |
| Easy | Peaceful | Various | 2–5 years | 50-60mm |
| Water temperature: | Water pH: | Tank size: | Diet: | Scientific name: |
| 17–29°C | 67.5–8.0 | 38 litres | Omnivore | Poecilia reticulata |