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Originally Posted by instar ...i wonder what purpous coloration like that serves?... |
Coloration is the standard marine pattern, dark above the animal so that it is harder to see at a distance from above and light below so that it is harder to see at a distance from below.
YBSS are open-water animals. Feeding is often on fish that try and hide under it. If the prey realizes that they are hiding under an animal they will then try an hide at the tail end because they think it is safer. So the YBSS often swims backwards so that the prey hides near the toothy end.
