Nimbochromis livingstonii

Its mottled body and motionless ambush posture on the bottom can imitate a dead fish and lure small fish close. Breeding males develop stronger blue coloration.

Adult length: Up to 25 cm (standard length, without the tail fin)
Water temperature: 24–28 °C
Lifespan: 8–10 years
pH: 7.6–8.8
Hardness: 10–25 dGH

Natural habitat: Occupies varied lake habitats, especially vegetated sheltered bays over soft mud, while also occurring in rocky areas.

This is a predatory adaptation. Remaining still or not chasing does not mean it is safe with small fish.

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Social behaviour and territory

Usually kept singly; breeding may use one male and several females. Any fish small enough to swallow is at risk.

Diet and feeding

Can accept prepared animal foods such as shrimp and fish; live feeder fish are unnecessary.

Sources