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Blue Emperor - Kerri Tetra


This is a slightly smaller species compared to other Emperor Tetras, only growing to about 4cm. It is best kept in aquaria that either receives some side light or that is not too brightly lit from above, otherwise the Blue Emperor’s colours may appear pale and washed out. In the right lighting, males are a luminous blue to mauve. It is a very good community fish, active and peaceful.


  • Species – Nematobrycon palmeri
  • Common Name – Blue Emperor Tetra, Kerri Tetra
  • Origin – Nematobrycon palmeri is a species of characin fish endemic to the Amazon river basin and Araguaia river, in Peru and Brazil
  • Diet – Omnivore
  • PH Range – 6 – 7.5
  • Temperature – Tropical 24-28°c
  • Breed Type – egg layer
  • Current Size – approximately 3cm (Grows to approximately 4cm)
  • Sex – Un-sexed

Blue Emperor Tetra

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