Respiration; buccal and opercular pumps
Respiration; buccal and opercular pumps
Respiration; buccal and opercular pumps
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But, the time duration varies tremendously among fishes, depending on<br />
the speed with which they move through the water, <strong>and</strong>/or on oxygen<br />
availability in the particular environment to which they are adapted.<br />
In more slowly swimming species like various cods (family Gadidae),<br />
the <strong>opercular</strong> pump predominates. In faster swimming forms like<br />
jacks (family Carangidae), the <strong>buccal</strong> pump predominates.