I have no idea what either of these are? Please Help!

[Sums24]

View attachment 9199
I have an assortment of snails, a couple hermit crabs, mostly lps, a few sps, two damsels, two clowns, orange diamond spotted goby and a fire shirmp. Thanks fo r looking

 

[William Lutman]

The one on Right is a sea squirt / tunicate

http://en.wikipedia.org/wiki/Tunicate

 

[Herbie]

The left one is a pineapple sponge. Nice.

 

[Smitty]

They both got you covered.

 

[krocky12]

how big should the pineapple sponge get

 

[Sums24]

Thanks for the quick answers. Its always fun seeing more things popping up. As long as they are not bad things