What is the usual range of soft rays found in the long anal fin of the Yellow Bullhead?
Answer
Between 21 and 24 soft rays
A precise anatomical feature utilized for accurate identification of the Yellow Bullhead is the structure of its anal fin. This fin is typically described as being quite long relative to some other catfish species. Specifically, enumeration studies show that this long anal fin usually contains a count falling within the range of 21 to 24 soft rays. Knowing this numerical detail assists experienced anglers and biologists in confirming the identity of the species, particularly when distinguishing it from closely related bullheads that might share similar habitat preferences and general body shape.
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