How can the colors of the black carp, koi, and five-colored koi be distinguished?
Introduction to the black carp. The black carp is a carp that is completely pitch-black all over, belonging to the variant koi. As a koi variety, the black carp is derived from the dark blue Asagi. As a branch of the true Asagi carp, the black carp is much blacker all over than the true carp, with its whole body as if coated in black lacquer, the huge German-strain...
The black carp is a carp that is completely pitch-black all over, belonging to the variant koi. As akoivarietyit is derived from the dark blue Asagi.
The head and back of the black carp are dark black, with only some white on the belly, and its scales are also very distinctive. The black dots of each scale together form distinct longitudinal stripes over the whole body. Each fin of the black carp is deep black, and both the dorsal fin and the anal fin have hard spines, with the rear edge appearing serrated.
The pectoral fins are relatively long and even extend beyond the starting point of the pelvic fins. The black carp mostly lives in the depths of water bodies with rocks, and unlike the well-known long-distance migratory fish, the black carp has a short-distance migratory habit.
The black carp has a rather omnivorous diet, mainly eating small river snails, mussels, and clams, and also eating a small amount of aquatic insect larvae, aquatic earthworms, and algae.