If you mean a black moor, or a goldfish that has always been generally black in colour, then it will depend on what is wrong with it.
If the goldfish was a different colour & recently started getting black patches on it, it's quite possible that these are ammonia burns that are healing.
To avoid this from happening again, you need to make sure that you do regular water changes in your tank to keep the ammonia down to zero
No, only black goldfish are black.
yes it will heal
I would name my black goldfish Fin
NO! Black Moors are goldfish they should be fed goldfish food.
Some common breeds of goldfish are: the Black Moor goldfish, the Ryunkin goldfish, the comet goldfish, the common goldfish, the Calico Fantail goldfish, the telescope eye goldfish, the bubble eye goldfish, the pearl scale goldfish and the Oranda goldfish.
Yes, they certainly can heal, but you need to take extra care to make sure that your tank water is as clean as possible.
There is a popular bred of goldfish called a black moor. It has an egg shaped body, has protruding globe like eyes and is black in color.
Most goldfish which are purchased with black coloring, except black moors, will usually lose their black coloring at some point in their lives.
Goldfish do not get pregnant. They are egg layers. Black spots on goldfish have nothing to do with their breeding condition.
Traditionally the Chinese place eight orange or yellow goldfish and one black goldfish in an aquarium to attract money. The number 8 represents prosperity in Feng Shui. The idea too is that if misfortune hits your family, then the ninth black goldfish will die and receive the misfortune instead of you.
Nope! Black Moors and other black goldfish get along fine with almost any sort of fancy goldfish.
yes