Corambe pacifica feeding on the bryozoan.
On giant kelp.
Bryozoan (the mesh) on Carpophyllum flexuosum blade (the brown algae)
Membranipora membranacea looks possible.
With Serpulidae (the white ringed worms)
Is this what they call a sponge or is this something else. Have posted top side photo and bottom side photo.
Zooids are out and feeding! Cool!
Second photo shows another colony with their "doors" (ok, opercula) shut.
The Bryozoa, also known as Polyzoa, Ectoprocta or commonly as moss animals, are a phylum of aquatic invertebrate animals. Typically about 0.5 millimetres (0.020 in) long, they are filter feeders that sieve food particles out of the water using a retractable lophophore, a "crown" of tentacles lined with cilia. Most marine species live in tropical waters, but a few occur in oceanic trenches, and others are found in polar waters. One class lives only in a variety...