What is this microscopic tentacle-y creature?

[shootingstar_reef]

 

[MoshJosh]

Based on my vast depth of knowledge and years of extensive research I can safely say IT'S AN EVIL MONSTER, KILL IT WITH FIRE!

 

[MoshJosh]

Based on my vast depth of knowledge and years of extensive research I can safely say IT'S AN EVIL MONSTER, KILL IT WITH FIRE!

Just kidding I have no idea.

 

[taricha]

Ostracod or seed shrimp.
Like another kind of 'pod. Considered harmless.

 

[shootingstar_reef]

Ostracod or seed shrimp.
Like another kind of 'pod. Considered harmless.

Looks close enough. Thanks!