Is this nudibranch or something else?

[Qasim]

Hello,

I found a couple worms on a star polyp. I dont know if they are good or bad your help is highly appreciated i think they are nudibranchs if im correct are they good to keep or shall I kill if i spotted any?

 

[HotRocks]

@KJ can probably tell you what it is.

 

[Qasim]

Here some more photos

 

[KJ]

Dermatobranchus sp.https://www.bing.com/images/search?q=dermatobranchus&FORM=HDRSC2

 

[Qasim]

thanks for the link are they ok to kepp or shall I start killing them?

 

[reef lover]

Says theyre known to eat soft corals and gorgs...so not safe..

 

[Qasim]

I took 3 out today any I spot will be out immedietly thanks for the info.

 

[KJ]

I took 3 out today any I spot will be out immedietly thanks for the info.

YW and good job

 

[cristata.reef]

Yep either Armina or Dermatobranchus (too small to tell).