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Celebes rainbowfish (Marosatherina ladigesi)
Photo: Shigella dysenteriae at English Wikipedia · CC BY-SA 3.0 via Wikimedia Commons

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
Rainbowfish
Glassfish
Mollies
Avoid
Soft acidic tanks
Fin nippers

Breeding & difficulty

Breeding difficulty
Intermediate
Sexing
Males have extended yellow-black fins.
Notes
Scatters eggs into fine plants over days.
Common ailments
Ich
Fin rot in soft water
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