Are these worms on my hermit crabs shell?!!!

[frizzayyyyreef]

what the heck r these they’re on other ones as well

 

[G Santana]

Could be feather duster, sponge or even vermitid.
Need a better pic perhaps in white light

 

[vetteguy53081]

These are tube worms which use a fan to capture food

 

[frizzayyyyreef]

These are tube worms which use a fan to capture food

Are they reef safe ?

 

[vetteguy53081]

Are they reef safe ?

yes but you dont want them. They will colonize and steal food from coral

 

[frizzayyyyreef]

yes but you dont want them. They will colonize and steal food from coral

Ty