Ghost shrimps.

[Auratus]

So cute!!!

You can see all three out of four in here. They love the rock!

 

[Auratus]

 

[Auratus]

 

[Auratus]

Last one

 

[fish_r_great]

Great you can see right through them hence the name GHOST shrimp

 

[Alanky]

Very nice Shrimp! When I had five of them in my aquarium they would all be in the holes of my rocks like yours. To bad a few of my fish decided they liked the shrimp to. Only they didnt like to watch them like me. They liked them as snacks. I still have one of the five though. I moved her to my betta tank.