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Fish

Rusty cichlid

Iodotropheus sprengerae
French name : Cichlidé rouille

The rusty cichlid is a small mbuna endemic to the rocky shores of Lake Malawi, prized as one of the most peaceable and beginner-friendly rock-dwelling cichlids. Its name comes from the warm rusty-brown to lavender-purple sheen that both sexes carry, males intensifying during display. Keep it as a harem of one male with several females, in a group of four or more, among plenty of rockwork and caves that break up territories and diffuse aggression. It suits a mixed mbuna community of similarly moderate temperament. Provide the hard, alkaline, oxygen-rich, very stable water typical of the Rift lakes, with strong filtration and good current. Though omnivorous it grazes aufwuchs in nature, so favour a spirulina-based, largely vegetable diet with cichlid flake or pellets; avoid excess protein, which causes bloat. A reliable maternal mouthbrooder that spawns readily.

Water
Freshwater
Origin
Lake Malawi, East Africa
Adult size
10 cm
Diet
Omnivore
Temperament
Semi-aggressive
Difficulty
Intermediate
Keep in group of
4+
Rusty cichlid (Iodotropheus sprengerae)
Illustration

Water parameters

Temperature24 – 28 °C
pH7.6 – 8.6
Carbonate hardness (KH)6 – 12 °dKH
General hardness (GH)8 – 20 °dGH

Tank & stocking

Minimum tank volume200 L
Volume budget per individual 40 L — adds up with tank-mates
Minimum group size4 individuals (shoaling)

“Minimum tank volume” is a reasonable floor, not an absolute limit. The per-individual budget is used by the Aqua app to estimate how heavily a tank is stocked.

Frequently asked questions

What size aquarium does Rusty cichlid need?

Provide at least 200 litres for a small group to keep Rusty cichlid in good conditions.

What water parameters does Rusty cichlid need?

A temperature of 24–28 °C, pH 7.6–8.6.

Is Rusty cichlid peaceful or aggressive?

Its temperament is semi-aggressive.

What does Rusty cichlid eat?

Its diet: omnivore.

How many Rusty cichlid should be kept together?

It is a social species: keep a group of at least 4.

How big does Rusty cichlid get?

Around 10 cm as an adult.

Is Rusty cichlid suitable for beginners?

Care level: intermediate.

Planning a tank with Rusty cichlid?

AquaTender turns these parameters into live advice: it checks whether your tank is big enough, how heavily it's stocked, and whether your fish are compatible — then tracks water tests, photos and maintenance for you.

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Fish from the same biotope

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