Wierd Grub In My Tank Can Anyone Tell Me What It Is?

[humpy_the_humphead_wrasse]

ok so its in a breeder box at the top of the tank atm!,

its black all over and has either white or white tipped spines and lotsa white feet underneith. i believe it came in on a piece of black sunflower coral!

is this normal and any idea what it may be? thnx sry just a bit excited yeye and scared it might be dangerous etc!

should i leave it in the breeder?

 

[humpy_the_humphead_wrasse]

ok so lil research has made me thinks its a Dendrodoris nigra. anyone know what they eat etc?

 

[bg7003]

I believe they eat sponges. ha ha. so dont expect it to be foraging algea or anything and your corals are safe.(I think?) keep an eye on him though.