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Geophagus Tapajos Red Head care guide

Geophagus Tapajos Red Head (Geophagus sp. Tapajos Red Head) — minimum tank 300 L, temperature 26-30 °C, pH 5.5-7.5.

Overview

The Tapajós Red-head (Geophagus sp. "Tapajós Red Head") is an undescribed eartheater from the Rio Tapajós in Brazil. The slender silver body is overlaid with rows of metallic blue spangles and a brilliant red mask from the snout to the dorsal fin in mature males. Adults reach about 18 cm.

Taxonomy

  • Family: Cichlidae
  • Genus: Geophagus
  • Scientific name: Geophagus sp. Tapajos Red Head
  • Common synonyms: Red Head Tapajos

Habitat

Native to slow-moving warm sections of large rivers and floodplain lakes in the Amazon basin of Brazil and adjacent countries. The species inhabits sandy substrates near submerged wood and root cover in soft, slightly acidic water.

Tank requirements

  • Minimum tank volume: 300 L (79.3 US gal)
  • Adult size: 15-18 cm
  • Temperature: 26-30 °C (79-86 °F)
  • pH: 5.5-7.5
  • GH: 1-10 °dGH
  • Water flow: moderate
  • Lifespan: 8-12 years
  • School size: ≥5 individuals

Diet

A sand-sifting omnivore that takes small invertebrates, organic detritus and plant matter from the substrate. In aquaria a moderate-protein cichlid pellet, frozen mysis and chopped earthworm work well; the species spends much of its time scooping mouthfuls of sand.

Compatibility

Peaceful for its size and well suited to large community tanks with similarly sized fish — large tetras, Corydoras, peaceful catfish and dwarf cichlids. Maintain a small group of 5+ as the species is social. The substrate must be sand to allow natural sifting behaviour.

Breeding

A biparental delayed mouthbrooder. Eggs are deposited on a flat rock and guarded for a day or two before the parents pick them up and mouthbrood them through the wriggler and free-swimming phases.

Conservation status

IUCN Red List: not formally assessed for this regional form, but the genus is widespread in the Amazon basin and the parent populations are not considered threatened. Most aquarium-trade specimens are tank-bred or sustainably collected.

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