It means the Fish could be blind in that eye or it could just be the way it was born
It means your fish is cursed. Have you not seen Harry Potter? When dumble door has a black spot on his hand it ment that he was cursed. Your fish is like dumble door.
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Goldfish do not get pregnant. They are egg layers. Black spots on goldfish have nothing to do with their breeding condition.
The Betta fish may have a fungus disease if there are small black spots on the back. It could also just be aging spots that some Betta fish get. You can purchase BettaFix at any pet store and add it to water to see if that helps.
It's regalar to have that on a gold fish
as in blackened salmon? its a dry rub of spices, like cayenne pepper black pepper , rubbed on the raw fish and then usually sauteed or grilled and the spices burn a bit and 'blacken' the fish. If you mean the black spots on live salmon those are like freckles on people not two have the same spots. Any other opinions?
It is a form of cancer. It isn't really known how fish get it.
the cheetahs color are brownish with black spots
Look at "why has my fish got white spots?"
One can tell if a fish is a king salmon if the fish is blue-green at at the back and top of the head with silvery dies and white bellies. There are black spots on the upper half of its body with gray/black mouth coloration.
When the salmon is living in freshwater as a younger fish, they have red and blue spots. As the get older, they have a more silvery blue tone and have black spots parallel to the fins.
Black spots on a fishes body is a symptom of black spot disease( a disease caused by a digenetic fluke. It will usually go away on its own, as the complex life cycle of the fluke can not be completed in an aquarium.
It's called Black Spot Disease (Neascus). The fish are still safe to eat as long as they are cooked well.