Male green sea turtle with considerable tumors. He did not have good vision as a result of the tumors.
Hawaiian elegant hermit crab (in a prickly horn snail shell)
with dotted periwinkles
Hydatina amplustre -Swollen Bubble Shell, according to Hoover p. 146, http://seaslugsofhawaii.com/species/Hydatina-amplustre-a.html, and numerous photos on Flikr. With hermit crab inside.
Wavy Bubble Snail - p. 147 of Hoover's Hawaii Sea Creatures.
Photographed in a bucket