What are these!

[seeds369]

Can anyone identify these ?

 

[coralbandit]

This may help ?
https://www.lareefs.com/collections/macroalgae

 

[melosu58]

The Top one is some type of sponge. The second one looks like gracilera which is a nuisance algae unless you have tangs.

 

[Sniperhank]

A really cool sponge and some red macro algae.

 

[seeds369]

Thank you very much!

 

[54seaweed]

wow that's a neat sponge , I had a branching one till my tang plowed it down , but Ive been trying to get it to come back right now its a stump