In most cases it's due to overfeeding and constipation. Ryukin goldfish are more prone to this due to their body shape, so make sure that you feed cooked & deshelled peas at least once a week to help avoid constipation.
A damaged swim bladder.
Not usually.
No. Your fish has damaged its swim bladder.
If the fish is dead it may sink. Otherwise a fish can go anywhere in the tank by using its swim bladder. If the fish seems to be struggling to get to the surface, the fishes swim bladder is damaged and the fish should be euthanased.
The swim bladder makes your fish sink so it isn't floating to the top of the tank.If your fish is floating then it might be a swim bladder problem.Or your fish is dying.
swim bladder is what helps the fish stay afloat without the swim bladder a fish would simply sink duhhh
A swim bladder is found on the side of the fish.
to help the fish swim and float
No, swim bladder disease is not contagious to other fish. It is a condition that affects an individual fish's swim bladder, which helps control buoyancy.
no, they have a swim bladder but this is so the fish can stay afloat
they have an organ called a swim bladder. It is filled with gas and it keeps them afloat.
A fish controls its depth by increasing or decreasing the amount of air in its swim bladder. When a fish has more air in the swim bladder, it is more bouyant and rises to the surface ,but when it lets out the air and the swim bladder fills with water, it becomes less bouyant so the fish sinks.