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Emperor Cichlid (Boulengerochromis microlepis) Care Guide

World's largest cichlid, reaching 70-90 cm in the wild. Predator from open waters of Lake Tanganyika; pair-spawner that dies after one massive spawning.

Overview

Boulengerochromis microlepis is a species in the family Cichlidae. World's largest cichlid, reaching 70-90 cm in the wild. Predator from open waters of Lake Tanganyika; pair-spawner that dies after one massive spawning. Only suitable for huge public-aquarium-scale tanks.

Taxonomy

  • Family: Cichlidae
  • Genus: Boulengerochromis
  • Scientific name: Boulengerochromis microlepis
  • Other names: Boulenger's Cichlid, Yellow Emperor
  • Origin: Africa, Lake Tanganyika

Habitat

Endemic to Lake Tanganyika and reputedly the largest cichlid in the world, reaching close to a metre in length. Inhabits open water and sandy zones where adults are powerful predators of fish. Unusual among large cichlids in being a substrate spawner that forms monogamous pairs; the parents are reported to die after a single breeding effort.

Tank requirements

  • Minimum tank volume: 3000 L
  • Temperature: 24-27 °C
  • pH: 8.5-9.2
  • GH: 12-25 °dGH
  • Adult size: 60-90 cm
  • Lifespan: 5-8 years
  • Difficulty: advanced

Diet

Classified as carnivore. Recommended feeding frequency: 2x daily. In captivity, offer a varied diet appropriate to the species — quality prepared foods supplemented with frozen or live items of suitable size.

Compatibility

  • Temperament: aggressive
  • Swimming level: middle
  • Compatible tank mates: Only large public-aquarium tanks
  • Avoid with: Almost everything else

Breeding

  • Breeding strategy: substrate-spawner
  • Breeding difficulty: advanced

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