Wierd looking growth

[Steadyreef42]

i have no idea what even to call this to research . It's growing in the back of the tank and reminds me of a fungus you would see around trees. Actually a pretty amber kind of color.

 

[Reefer1978]

Most likely a sponge, but hard to tell from the picture.

 

[Bdog4u2]

Def a sponge

 

[Steadyreef42]

Thanks! . It seems to have a tough skin

 

[Salty1962]

Looks like bubble algae.

 

[Macdaddynick1]

algae

 

[Titanwerx]

Found this sponge,

http://www.easterncapescubadiving.co.za/index.php?page_name=specie&specie_id=266
Looks similar.