Emerald Crab growth

[dont.ask.me]

Hello,

I am new to the saltwater aquarium world. I've only been at it a couple months now and have a 65g FOWLR. I have had 2 emerald crabs in my tank from about week 3, and one of them has developed a strange growth or parasite or something. Has anyone seen anything like this, or have any idea what this is?

 

[FernBluffReef]

Looks like a Vermetid snail to me. Get rid of it (the snail that is)

 

[Spare time]

To me it looks like a tiny feather duster worm

 

[littlefoxx]

It should come off when the crab molts I would think

 

[kevgib67]

^ This!

 

[dont.ask.me]

Thank you everyone. I'll try pulling the cram and seeing if I can pluck it JIC. I'll update if I can remove it and/or get a better look at it.

 

[vetteguy53081]

Pull off if safe as you dont want to wait for a molt an allow it to multiply
An option to pulling off is to apply a dab of gel superglue over opening then you can discard when a molt occurs

 

[dont.ask.me]

Absolutely. I'll use that backup plan. Last thing I want is for those critters taking over the tank. I still have a lot to learn!