Hydroids or something else?

[dvlpr]

Look almost like a typical hydroid photo that I can find, but not quite, so I'd like to eliminate other possibilities

What do you think? A hydroid? I've got about 20-30 of them - the largest is in the photo, smaller ones sit on the back wall and are impossible to photo.

Thanks!

 

[Copingwithpods]

Yep hydroid jellys

 

[dvlpr]

Yep hydroid jellys

Great, thanks for the ID!