You should be able to buy prducts for any pet shop called something like 'Fungi cure' or 'Multi cure'
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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.
If the fish is a Goldfish you check to see if the spots are only on the fishes gills and pectoral fins. If so the white spots are indicating that the fish is in breeding condition. If the white spots are visible on other parts of the fish then your fish probably has Ich/Ick/ Whitespot and you will have to use a commercially available cure normally available at the pet shop.
Strangely, scientists have proved that it does cure spots!
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
Betta fish develop black spots on their bodies due to a genetic condition called melanism, which causes an increase in the production of melanin, the pigment responsible for dark coloration in animals.
Black spots on betta fish can be caused by various factors such as stress, poor water quality, or a bacterial or fungal infection. To treat black spots on betta fish, it is important to first identify and address the underlying cause. This may involve improving water quality, reducing stressors in the fish's environment, and using medications specifically designed to treat bacterial or fungal infections. Consulting a veterinarian or experienced fish keeper for proper diagnosis and treatment is recommended.
White spots on a black moor goldfish could be caused by a parasitic infection called ich, which is common in aquarium fish. It is important to treat the fish promptly to prevent further spread of the infection.
Possible causes of black spots on a betta fish include stress, poor water quality, and certain diseases. Treatments may include improving water conditions, reducing stressors, and using medications as prescribed by a veterinarian specializing in fish health.
It is a form of cancer. It isn't really known how fish get it.
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.