Purple worm??

[Jendee3773]

Found these on my strainer to my over flow.

 

[Jendee3773]

Found these on my strainer to my over flow.

 

[Jendee3773]

Another pic attached

 

[EricR]

Weird,,, but I don't know anything.
I'd scoop out a Solo cup of tank water and drop 'em in -- see what they do.

 

[MrMreef]

Looks similar to what I had swimming in my tank 5m ago - no idea what it is though.

 

[attiland]

They are quite shrimp like