>Some of these colors are in such stark contrast to the animal's surroundings
>that a person has to wonder how such a trait could continue to exist at all.
>For example, there are places on the Oregon coast where BRIGHT orange
>specimens live in the intertidal rocks. I can spot these from 100 FT away.
>Surely such coloration is little help in avoiding predators (given that some
>may see only in black and white). These orange individuals usually exist
>along with other colors of N. lamellosa.
I think you'll find that most aniimals see in full color... certain
mammals are the exceptions.
>Then there is a difference in size. In some locations you seldom find a
>specimen over 40mm in other locations individuals over 80mm are not
>uncommon.
I've seen a LOT of specimens, and never found one over ~65mm.
--
Andrew Grebneff
Dunedin
New Zealand
<[log in to unmask]>
Seashell, Macintosh, VW/Toyota van nut
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