Japanese Astropecten vs. snails!
The neat snail escape response to the sand star Astropecten begins at 1:30! Honestly, I've never seen a snail pull the ol' push myself out of the way with my foot maneuver!Pycnopodia vs. abalone!
Here's a few videos of abalone escaping the large Pacific Pycnopodia helianthoides!This one shows that even brief contact with a sunflower star will ellicit the escape response..