Came across the following incident, reported in a fishing magazine.
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Two buddy went fishing on a mountain stream. One guy was wearing a brightly colour T shirt, either yellow or orange. He caught many fishes and was very happy. His friend started fishing some distance from him. As the guy was fishing, danger was approaching him but he was not aware of it. Just as he pulled another fish out of the water, a black shadow jumped out of the water. A crocodile jaw missed the man head by a few inches.
Both guy quickly run away from the stream.
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Usually dull/natural colour would increase catch rate as it is less likely to spook any wary fish. Hence, it is very strange why that guy wearing a brightly colour shirt was so successful catching fish that day.

Does the brightly colour shirt play a part in catching the crocodile attention?