The staff at Nautilus Tropical Fish Wholesale recently highlighted the underappreciated Royal or Blue Kerri Tetra, Inpaichthys kerri, which is available in both a wild form and a line-bred "Super Blue" cultivated strain.
Blue/Purple Emperor Tetra (Inpaichthys kerri), Tank-Bred - Aquatic Arts
Superblue Kerri Tetra (Inpaichthys kerri var. superblue)
Blue Emperor Tetra (Inpaichthys kerri) Species Profile
Fish - Inpaichthys kerri - Blue Emperor Tetra
Hyphessobrycon - Aquarium Glaser GmbH
Blue/Purple Emperor Tetra (Inpaichthys kerri), Tank-Bred - Aquatic Arts
Kerri / Emperor / Royal Tetra Care Guide - How to Breed and Keep Inpaichthys Kerri
Blue Emperor / Super Blue Kerri Tetra (Inpaichthys kerri) - Group of 5 Fish - Aqua Imports
Tropical Fish Hobbyist - Jan/Feb 2019 - All Hail the Emperor Tetras
All Hail the Emperor Tetras!
The Joy of Keeping Pencilfish Tropical Fish Hobbyist Magazine
Consolidated Fish Farms - Blue Kerri Tetra This unique tetra is one of the most colorful tetras that we carry. While they school like most other tetras, the Blue Kerri Tetra is