
Celebes rainbowfish
Marosatherina ladigesi · Telmatherinidae
Also known as Sailfin rainbowfish
Intermediate
Yellow-tipped sail fins on a translucent body; likes hard water with a little salt.
In short: A Celebes rainbowfish needs at least 110 L (29 US gal), water at 24–29 °C (75–84 °F) and pH 7–8.5. It is peaceful, best kept in groups of 6 or more, and rated intermediate to keep.
- Minimum tank
- 110 L (29 US gal)
- Temperature
- 24–29 °C (75–84 °F)
- pH
- 7–8.5
- Adult size
- 7 cm (2.8 in)
- Group size
- 6+
Care requirements
- Minimum tank volume
- 110 L (29 US gal)
- Temperature
- 24–29 °C (75–84 °F)
- pH
- 7–8.5
- Hardness
- 10–25 dGH
- Lifespan
- 3–5 years
- Diet
- Omnivore — flake, micro pellets, frozen foods.
- Care level
- Intermediate
Origin & habitat
- Native region
- Sulawesi, Indonesia
- Water type
- Freshwater
- Biotope
- Hard-water coastal streams
- Natural conditions
- Hard alkaline water; tolerates a very light salt addition.
Behaviour & stocking
- Temperament
- Peaceful
- Minimum group
- 6 fish
- Swims
- Mid-water
- Good tank mates
- RainbowfishGlassfishMollies
- Avoid
- Soft acidic tanksFin nippers
Breeding & difficulty
- Breeding difficulty
- Intermediate
- Sexing
- Males have extended yellow-black fins.
- Notes
- Scatters eggs into fine plants over days.
- Common ailments
- IchFin rot in soft water
Will it fit your tank?
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