Any Idea what this is?/?

[Boboli]

Looks like a shrimp but not sure any help appreciated.
I am out of town wife sent me these pictures.
Not the best iPhone 5s pics but all I have.
Thanks.

 

[Sugar Magnolia]

Looks like some kind of crab. Tilt a tall, smooth sided glass, baited with a piece of raw shrimp, against the rockwork at night. If it's a crab, it'll crawl in but can't crawl back out.