What adaptation makes the Wels Catfish head ideal for foraging along the substrate?
Answer
The head is notably broad and distinctly flattened
The head morphology of the Wels Catfish is a clear adaptation to its demersal lifestyle. It is characterized as being notably broad and distinctly flattened, which results in a broad-shouldered appearance. This broad, low profile is highly advantageous for a fish that spends the majority of its time resting directly along the lake or river substrate. This shape allows it to maintain a low center of gravity and maximize surface contact while resting or slowly foraging for food near the bottom.
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