Koi and many other species of fish tend to sink to the bottom of the water or sometimes rest on some structure in the water and appear to doze or go into a kind of trance like state. Fish do not have eyelids so they can not shut their eyes as we do. They are never far from waking in an emergency or if danger threatens.
yes and no. they sleep but do not close their eyes because they obviously don't have any eyelids.
Koi fish Koi fish
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.
a fish, a koi carp
because it is fish
Koi are a type of specially bred carp.
Nope they sometimes eat there eggs
Koi fish usually have two eyes.
The Japanese for Koi is nishikigoi.
The sex of koi fish cannot be determined unless a)you dissect the koi or b)you witness the breeding.
Koi fish is suitable as a feeder fish for other larger fish. If a human wanted to eat a Koi fish, (which in general unlikely), it would be better eaten dead.
A Koi-dragon is mythical Japanese creature that is half koi fish at the back and a dragon front end
koi fish would normally eat goldfish food try tetra fin goldfish flakes they are made for goldfish and koi