Q. In bony fishes the swim bladder is filled by gas produced by gas gland. tell me its mechanism how gas gland produce gas inside the swim bladder?
Answers
Explanation:
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Answer:
The swim bladder is located in the body cavity and is derived from an outpocketing of the digestive tube. It contains gas (usually oxygen) and functions as a hydrostatic, or ballast, organ, enabling the fish to maintain its depth without floating upward or sinking.
Explanation:
This type of swim bladder is observed in spiny-rayed fishes. In this type of swim-bladder, there lies an anteroventral secretory gas gland (containing retia mirabilia) and a posterodorsal gas absorbing region called the oval. The oval develops out of the degenerating ductus pneumaticus