Cyprinus carpio
The scientific or taxonomic name would be Cyprinus carpio.
Koi is the animal. A koi is a fish.
Cyprinus Carpio
Koi fish Koi fish
The Japanese for Koi is nishikigoi.
Koi fish can live in almost any country. Koi are thought to be originally from Japan. Many people have outdoor fish ponds in which Koi are the dominant fish.
There is no scientific name for just big fish.
The scientific name of the puffer fish is Tetraodontidae.
Most Koi carp are colourful
Koi (the fish name, meaning carp) sounds like the word for "fancy" or "love". In Japanese characters, Koi is "恋".
The scientific name for a puffer fish is Tetraodontidae.
Erpetoichthys calabaricus is the scientific name for the reed fish