A swim bladder is an organ in certain fish to help them stay buoyant. Examples of fish with a swim bladder are goldfish, betta fish, and chiclids. It works something like the lungs of mammals.
Since it is an organ, it cannot spread to other fish.
Yes
Hello, I hope you were able to treat your fish. My bonsai flowerhorn has the same problem, but I think it is because she bumped herself on to a rock, while she was suffering from swimbladder disease or bacterial infection. If you got answer from some other source, can you please mail me at shami.thoke@gmail.com, or post it on the forum? Thank you, Shami.
AdvantagesOne clear advantage of having a swimbladder is that little to no extra energy is necessary in order to remain stationary at a constant level of water. Only a slight control by use of the pectoral fins is required to balance out the propulsive force of water exiting the gills. Fish with no swimbladder on the other hand, such as mackerels, sharks, and rays must expend energy by constantly swimming in order to keep from sinking.Another advantage of swimbladders is oxygen storage. Physoclists and physostomes alike may occasionally use the oxygen present within their bladder as an emergency backup in times of urgent need, although, this emergency store can only be of aid for a few minutes (Jones 1957).Finally, swimbladders in some fish are known to increase hearing abilities. With the presence of inner ear- swimbladder connections, these fish have exhibited greater sensitivity to sound, however it is not yet clear whether there is also an increase in frequency selectivity (Coombs & Popper 1982a)DisadvantagesOne disadvantage of having a swimbladder is that neutral buoyancy can only be achieved at a small range of depths specific to certain fishes. If a fish swims below its buoyancy range, it will have to expend greater energy in the exercise of swimming in order to keep from sinking. On the other hand, if a fish swims above its upper buoyancy level, it becomes overly buoyant. Its swimbladder would expand to such a great capacity that the fish might be thrown out of control if it does not compensate for this increased buoyancy by vigorously swimming downward. The fuller the swimbladder gets, the more tipsy the fish is-- much like a large helium balloon. Therefore, many fish that do not have a swimbladder, such as the Atlantic mackerel, have greater depth flexibility and speed in moving through columns of water. A swimbladder would only serve as a constraint for these fish which are continuously active predators (Schmidt-Nielson 1997).One other disadvantage of having a swimbladder is that oftentimes the bladder serves as an acoustical target which sounds can be bounced off of. This might enable predators to more easily locate the fish (Schaefer & Oliver 1998).
AdvantagesOne clear advantage of having a swimbladder is that little to no extra energy is necessary in order to remain stationary at a constant level of water. Only a slight control by use of the pectoral fins is required to balance out the propulsive force of water exiting the gills. Fish with no swimbladder on the other hand, such as mackerels, sharks, and rays must expend energy by constantly swimming in order to keep from sinking.Another advantage of swimbladders is oxygen storage. Physoclists and physostomes alike may occasionally use the oxygen present within their bladder as an emergency backup in times of urgent need, although, this emergency store can only be of aid for a few minutes (Jones 1957).Finally, swimbladders in some fish are known to increase hearing abilities. With the presence of inner ear- swimbladder connections, these fish have exhibited greater sensitivity to sound, however it is not yet clear whether there is also an increase in frequency selectivity (Coombs & Popper 1982a)DisadvantagesOne disadvantage of having a swimbladder is that neutral buoyancy can only be achieved at a small range of depths specific to certain fishes. If a fish swims below its buoyancy range, it will have to expend greater energy in the exercise of swimming in order to keep from sinking. On the other hand, if a fish swims above its upper buoyancy level, it becomes overly buoyant. Its swimbladder would expand to such a great capacity that the fish might be thrown out of control if it does not compensate for this increased buoyancy by vigorously swimming downward. The fuller the swimbladder gets, the more tipsy the fish is-- much like a large helium balloon. Therefore, many fish that do not have a swimbladder, such as the Atlantic mackerel, have greater depth flexibility and speed in moving through columns of water. A swimbladder would only serve as a constraint for these fish which are continuously active predators (Schmidt-Nielson 1997).One other disadvantage of having a swimbladder is that oftentimes the bladder serves as an acoustical target which sounds can be bounced off of. This might enable predators to more easily locate the fish (Schaefer & Oliver 1998).
A common cause of this in living goldfish is a condition known as swimbladder. The swimbladder controls buoyancy, if there's a problem with it the fish may float to the surface. You can get treatment for it at a pet shop, usually drops that you add to the water. Hope this helps!
I've had one fantail for the last 4 years. They are a difficult fish to keep as they have ongoing swimbladder problems and pick up internal infections very easily. Do not even contemplate on putting 4 of them in a tank smaller than 150 litres. They need a lot of room and I only have one, and its in a 112 litre tank with 3 other large type coldwater fish. If you have not already bought these fish, I personally would suggest considering different fish. They are hard to keep and are subject to bullying by other fish. Hope I've helped!
If your fish died of a disease or illness of some sort, it could be contagious and therefore spread to all the other fish in your tank. Best to take it out and dispose of it.
Cancer is not contagious.
Some fish swim upside-down. If that's not the case their swimbladder could be messed up. The fish could have ate a peice of food that as to bis of swalloed a small rock. Try putting the fish in a small container with a low ammount of water to help them ballance. Feeding the fish frozen peas(mashed up into a paste) will help withh digestion.
They eat their babies. All fish eat other fish. Fish are opportunistic feeders, which means that they eat when presented with food, regardless of if they are hungry or not. Fish will eat any dead fish in their tank. If a dies, it needs to be removed right away so it does not spread disease or pollute the water.
Jelly Fish
fish dish