Sand trails

[Lena_E]

Hi
Does anyone know what is causing these sand noodle like leavings? Thanks

 

[Tahoe61]

https://www.reef2reef.com/threads/what-is-that-a-r2r-guide-to-common-new-tank-hitchhikers.443382/
Possibly Spoinind

 

[JustJordan]

Chaetopterid and/or Spionid worms. Virtually harmless and beneficial.

 

[Lena_E]

https://www.reef2reef.com/threads/what-is-that-a-r2r-guide-to-common-new-tank-hitchhikers.443382/
Possibly Spoinind

Thanks- great link

 

[Lena_E]

Chaetopterid and/or Spionid worms. Virtually harmless and beneficial.

Thanks!