Species Profile
Emperor Tetra
Nematobrycon palmeri
Tetraspeaceful
Adult size
2″
Minimum tank
20 gal
Temperature
73–81°F
pH
5–7.5
Schooling
Group of 6+
Water level
mid
Diet
Flake, pellets, frozen
Notes
Iridescent blue-violet with a trident-tipped tail in males. Underrated community fish.
Photo: Citron / Wikimedia Commons · Source · CC-BY-SA-3.0