Rock colored lump with 2 red tubes??

[Jess]

Sorry no picture, but if anyone has any idea of what this could be I'd love to hear about it. It's smaller than a golf ball, looks like greyish/brown rock almost limpet shaped, has 2 red openings with tubes that extend about 2mm. I have not seen any tentacles coming from the tubes and the whole thing moves if I poke it. Almost looks like a human heart. Is it some sort of sponge? I'm baffled!

[ChilisREasy]

i think i have the same thing..ill try to get a pic & you can tell me if its that.

[ChilisREasy]

is this it ? this moves too & has a mouth type opening & will eat small food ! i fed it one day ! lol, & kinda looks like a heart

[steamboatwv]

sea squirt "tunicate".. i have about 30 to 40 of them all different sizes and colors..filter feeders.

[Jess]

I'll have to do some research on those. I also noticed a slit on top that is somewhat furry.

I also have some sort of jet black sponge( i think) that is spreading. It looks like tar.