Identify this please.

[mikenh77]

I can't find anything about these guys anywhere. Its a tiny red sea slug. My friend claims he has the same one in his tank and they're hiding on the underside of his smooth skin acro frags. They generally hide during the day. Can anyone identify him and if they are reef safe?
View attachment 3174
They are in my DT but this picture is from the sump.

 

[anarchy]

If it looks like a pinkish centipede I'd same maybe a bristleworm

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[mikenh77]

Thanks, no it's definitely not a bristleworm. I've never seen something like this and most people who seen it don't know what it is. I said "sea slug" but it looks literally like a land slug that's red and underwater. More like a nudibranch without appendages.

 

[anarchy]

Oh sorry. Wow not sure. If you find out definitely let us know. I've never seen one

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[mikenh77]

Oh man, yeah. Hopefully someone on here can identify it.

 

[lunacris]

looks like could be a flat worm (red planaria ?) hard to see a size reference ,

 

[mikenh77]

Sorry, funny thing is it doesn't look anything like planaria. Like I said before it looks like a orange/red slug/nudibranch. It's about the size of this apostrophe ' lol. (i'm guessing about 1/16 of an inch.)