Is it normal for guppies to have all black eyes?

According to the search for pets, it is not normal for guppies to have all black eyes. Peacock fish's eyes turn black usually because a new fish has entered the fish tank. At this time, the peacock fish turned black to scare other small fish to grab food. Poor water quality may be due to bacterial growth in water, leading to guppies infection; The inadaptability may be because the newly bought guppy has not adapted to the new environment.

Peacock fish is a kind of Cetaceae fish of Cetaceae. The guppy is slender, and its shape changes mainly in the caudal fin. The common tail fin shapes are round tail, pointed tail and shovel tail. The difference between female fish and male fish is obvious. The male fish is only about half the size of the female fish. Male fish are rich in color and diverse in tail shape. It is named because its tail is as proud as a peacock.