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Hint: The swim bladder also known as gas bladder, fish maw, or air bladder is an internal gas-filled organ that contributes to the ability of many bony fish (but not cartilaginous fish) to control their buoyancy, and helps to stay at their current water depth without having to waste energy in swimming.
Complete answer:
A swim bladder is a gas-filled sac present in the body of many bony fishes, which is used to maintain and control buoyancy. The swim bladder is situated in the body cavity and is derived from an outpocketing of the digestive tube. It contains gas (mainly oxygen) and functions as a hydrostatic, or ballast organ, which helps the fish to maintain its depth without floating upward or sinking. It also helps as a resonating chamber to produce or receive the sound. In some of the species the swim bladder contains oil instead of gas. In certain primitive fish it also functions as a lung or respiratory organ instead of a hydrostatic organ. The swim bladder is missing in some of the species like the bottom-dwelling and deep-sea bony fish (teleosts) and in all cartilaginous fish (eg. sharks, skates). Sometimes a fish suffers from a disease of swim bladder that is known as swim bladder diseases. swim bladder diseases may be temporary or permanent. If the fish has a permanent swim bladder disorder, they can still live a full and happy life with some lifestyle modifications. With any buoyancy disorder, you will need to introduce hand-feeding.
Hence the correct answer is OPTION(A)
Note: Swim bladder disease, also known as swim bladder disorder, is not a fatal condition in aquariums. In the wild, it could cause the death of fish because a fish will not be able to compete for food, but in aquariums, there is no need to.
Complete answer:
A swim bladder is a gas-filled sac present in the body of many bony fishes, which is used to maintain and control buoyancy. The swim bladder is situated in the body cavity and is derived from an outpocketing of the digestive tube. It contains gas (mainly oxygen) and functions as a hydrostatic, or ballast organ, which helps the fish to maintain its depth without floating upward or sinking. It also helps as a resonating chamber to produce or receive the sound. In some of the species the swim bladder contains oil instead of gas. In certain primitive fish it also functions as a lung or respiratory organ instead of a hydrostatic organ. The swim bladder is missing in some of the species like the bottom-dwelling and deep-sea bony fish (teleosts) and in all cartilaginous fish (eg. sharks, skates). Sometimes a fish suffers from a disease of swim bladder that is known as swim bladder diseases. swim bladder diseases may be temporary or permanent. If the fish has a permanent swim bladder disorder, they can still live a full and happy life with some lifestyle modifications. With any buoyancy disorder, you will need to introduce hand-feeding.
Hence the correct answer is OPTION(A)
Note: Swim bladder disease, also known as swim bladder disorder, is not a fatal condition in aquariums. In the wild, it could cause the death of fish because a fish will not be able to compete for food, but in aquariums, there is no need to.
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