Fish obtain oxygen by what method?

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Osama Rahil Popular answer

By using gills

Best Regards M. A. A. Al- Fatlawi

Muhammad Faheem Jan

Fish take oxygen from atmosphere by jumping in water

Osama Rahil

Entedhar Sarhat

Gills extract the oxygen, put carbon dioxide into the water, and it is exhaled out through the gills.

Sadanand Pandey

Fishes use a combination of the mouth (buccal cavity) and the gill covers and openings (opercula).

Read more details about mechanism for oxygen intake in the following link.

https://www.petmd.com/fish/care/evr_fi_fish_respiration

https://338373gasexchange.weebly.com/fish.html

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I completely agree with Dr. Osama , the fish obtain oxygen by using gill.