Which feature in a fish helps in maintaining buoyancy?

Fins

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Lungs with air sacs

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Hollow bones

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Swim bladder

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Solution

The correct option is D
Swim bladder

In some fish, a swim bladder which is filled with air is present. This helps the fish in maintaining buoyancy.

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Similar questions

The feature that help fish to change its direction is:

A- Caudal fin and pelvic fin

B-Dorsal fin and anal fin

C- caudal fin only

D- Dorsal fin only

1.08 g / c m^{2}

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