Friday, July 25, 2014


With the tide at its maximum on Boundary Bay, I poked around in rolls of tangled eelgrass and under stones, and found nothing alive but a pair of barnacles broken off their rock. But the eelgrass had brought in many recently molted crab remains, their legs tied up in dripping green ribbons.

The waves and tide rip up tall eelgrass and create astonishingly complex knots with it.

"... the longer a string got, the greater the odds of knot formation became." From a study of the physics of knotted string, reported on Wired.

This little molt had been tossed up above the waves and was still intact.

Young molted crab, with sea lettuce. You can see, at the base of his carapace, where it separated to allow him to back out of his hard "skin".

I liked the rock he was on, too.

What makes that yucky-looking yellow foam? I'll explain tomorrow.

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