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Yellow Tetra (eos) Care Guide

Hyphessobrycon eos, the Dawn tetra, is a small characin recorded from the Guianas, kept as a peaceful schooling fish in soft tinted water.

Overview

Hyphessobrycon eos, known as the Dawn tetra, is a small characin rarely seen in the trade. Its species name references Eos, the Greek goddess of dawn, a name typically applied to fish with rosy coloration.

Taxonomy

  • Family: Characidae (order Characiformes)
  • Genus: Hyphessobrycon
  • Scientific name: Hyphessobrycon eos

Habitat

FishBase lists the species from South America, with the locality recorded as Guyana and marked uncertain. It is a benthopelagic freshwater fish of tropical waters.

Tank requirements

  • Minimum tank volume: 60 L
  • Temperature: 23-27 °C (73-81 °F)
  • pH: 5.5-7.0
  • GH: 1-10 °dGH
  • Maximum size: about 4.2 cm TL (FishBase)
  • School size: 6 or more individuals
  • Lifespan: 3-5 years

Diet

The species is omnivorous and accepts small dried, frozen and live foods in the aquarium, fed twice daily.

Compatibility

It is a peaceful mid-water schooler that shows best in groups over a dark substrate in lightly tinted water. Suitable companions include Cardinal tetras and pencilfish; aggressive species should be avoided.

Conservation status

IUCN Red List: Least Concern (assessed 2020).

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