How does the lower jaw structure typically compare to the upper jaw in the White Catfish head?
Answer
Upper jaw projects beyond the lower jaw
Detailed examination of the mouth structure reveals a specific relationship between the upper and lower jaws in the White Catfish. The characteristic morphology dictates that the upper jaw extends forward beyond the lower jaw, resulting in the lower jaw being substantially shorter than the upper jaw. This overbite condition is a key anatomical marker. This structure contributes to the overall blunt profile of the head and differentiates it from other catfish where jaw alignment might be different or where both jaws might appear more equal in anterior projection.
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