What structural element offers essential overhead cover for cautious Wels catfish during daytime hours?
Answer
Overhanging trees or jetties
Wels catfish, especially younger or more cautious individuals, require substantial cover to protect themselves from overhead light and potential aerial predators while resting during the day. The text highlights specific physical features that provide this overhead protection. These include structures that hang over the water such as jetties or the branches of overhanging trees, which effectively block light and provide a secure sanctuary close to their deep-water holding areas.
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