Need help in identifying....

[Scuba Dan]

Few popped up in my tank.

 

[Postal]

It's an Amphiscolops species of acoel flatworm.
Harmless

 

[Scuba Dan]

Thanks....

 

[robthorn]

Unless they mass produce like normal and crawl all over your corals.

 

[TURKLET0N]

http://www.lionfishlair.com/hitchhikers-guide/

 

[Postal]

Unless they mass produce like normal and crawl all over your corals.

I've never seen this species reach the plague proportions lthat "red planaria" can. Also since they are pod predators rather than largely photosynthetic like "planaria" I doubt they have the same capability to mass produce.