Black spots on my fish?

I had bought some gold fish the other day and one is strictly gold and the other one is gold and white... Now Im starting to notice that there is black spots starting to show up on them. They are the feeder fish that we had originally introduced to the...

I noticed last night that my Betta fish has black spots all over his fins. To me, they look like normal freckles seen on some Betta fish, but I'm not sure. They are small and regular, in a pattern. I've had this Betta for about 3 months now. I recently...

My fish tank is ten gallons and I have an african cichlid and a baby catfish in it, i have had it for about a month and this morning i noticed it has some black and green spots in it. I am not sure why or what to do about it...or if it is safe for my...

Bought 30 new small goldfish & koi the other day. Put in pond with 4 other fish. Since then 3 have died, two appeared to have loads of tiny black spots on surface of skin, they appear disorientated and swim at an angle at surface of water.... can...

I have 3 tanks one 40Gal Gourami tank one 75Gal Shoaling tank with multiple breeds and a 110Gal Cichlid tank thats in the process of being cycled. I just recently did an overhaul of my 75Gal tank. Filtration, heating, air, substrate ect. Water pH is...

What is this? Do I need to worry? Do I need to put the fish in a seperate tank? Treatments? This is the only fish that has this problem and this is my first time owning a goldfish tank so I am not sure what this is and my internet research isnt all that...

I have a 10 gallon tank. each fish i buy they seem to keep on dieing. my goldfish dosent come up to eat it just lay on the bottom. my black moor fish's tail is breaking apart and ...show more

just today when i was feeding them i noticed by blue jelly bean parrot (baby) was getting black fins from the back up (not spots)

It looks like a giant goldfish with black spots