|Green shore crab, Hemigrapsus oregonensis, aka "Lady Bird"|
The green shore crab has tiny hairs on its legs, which are usually a bit grungy, a bit frayed, somewhat coated with algae. But fresh from a molt, they are white and clean.
And I hadn't noticed before, but they're not just hairs. They look more like feathers, with a strong shaft and branching fibers.
|Zooming in. I've darkened the background to show up the structure. (Click for full-size photo.)|
No wonder they pick up so much detritus!