Can anyone ID this critter/critters

[lejeune981]

Trying to ID the critter living in the burrow..also kinda curious what the little blue things are it tries to eat..

Videos were took with my phone and a magnifying glass

 

[TheEngineer]

Oh cool! That looks like a super tiny mantis shrimp.

 

[Dr. Reef Verified Sponsor]

+1 on mantis shrimp

 

[lejeune981]

I think there are a few in that area... 2 in that burrow.. then I seen somethibf pop out if the sand behind those 2

I've never had a Mantis that I know of...aystem is almost 2 years old now