What significant advantage regarding aquatic respiration does the Yellow Bullhead possess over many salmonids?
Answer
It can tolerate significantly lower levels of dissolved oxygen
A primary factor contributing to the widespread success and adaptability of the Yellow Bullhead is its exceptional physiological resilience concerning oxygen availability. Unlike many sensitive freshwater game fish, including salmonids, the Yellow Bullhead possesses a superior ability to function and survive effectively even when the concentration of dissolved oxygen in the water drops substantially. This tolerance allows them to colonize and dominate habitats that become marginal or even lethal to species needing higher oxygen saturation, such as bodies of water experiencing thermal stratification or heavy decomposition.
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