Redtail notho Care Guide
Nothobranchius guentheri
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Bioload Score
2600
- Max Size
- 7 cm / 2.8"
- Temperature
- 22–28°C (72–82°F)
- pH Range
- 6.5 – 8
- Min Tank Size
- 38L (10 gal)
- Min Group Size
- 3 fish
- Tank Level
- Bottom-Mid
- Origin
- Africa
- Temperament
- Semi-Aggressive
- Difficulty
- Moderate
- Breeding Difficulty
- Difficult
Diet
Small carnivorous killifish that does best on frequent feedings of live and frozen foods such as mosquito larvae, daphnia, bloodworms and baby brine shrimp, with only limited use of high-quality dry foods.
Community Compatibility
Semi-aggressive annual killifish best kept in a species tank or carefully planned softwater setup, with one male and multiple females and only very calm, non-nippy tankmates if any are used.
Good to Know
The Redtail Notho (Nothobranchius guentheri) is an annual killifish endemic to seasonal pools on Zanzibar’s Unguja Island, evolving to grow fast, spawn in peat-like substrates and leave drought-resistant eggs that hatch with the return of the rains.
Gender Differences
Males are larger and far more colourful with bright red tail and patterned body, while females are smaller, plainer and brownish-grey with subtler markings.
Stock Redtail notho in Your Tank
Use our free stocking calculator to see if Redtail notho fits your aquarium