Recap:
Clue: Sometimes reef-safe, but not always.
Is it a fish? No
Does it have claws? Decline
Does it have a segmented body? Yes
Does it have legs? Yes
Does it have a shell? No
Is it red? No
does it, dash around the tank at feeding time?
In my experience usually no but sometimes it has.
Does it have antennae? Yes
will medium to large fish eat it?
Not likely, unless it's predatory.
Is it an omnivorous scavenger? Yes
Does it look like a leg? No
Does it make a sound?
Not one that you'd be able to hear from outside the tank.
Does it have spines? No
Tiger Tail Pistol shrimp? No
Does it clean fish? No
Are they commonly purchased at a LFS?
Yes from LFS, but no probably not common
Does it molt? Yes
Is it sometimes recommended for pest anenome/aptasia control? No
Does it have a flat body with hairy legs? No
Is it green? No
Clue: this creature rarely goes out in the open
Adult size greater than 1 inch? Yes
Is it a type of shrimp? No
Is it a type of crab? No