Lion’s Paw Sea Cucumber

It’s tentacles look and move like an octopus, but has no suckers and the body is NOT octopus-like. someone suggested it’s a nudibranch, but I can’t find any similar images of tentacled nudibranches
UPDATE!!! Thanks to TomK at : it is a Lion’s Paw Sea Cucumber

tentacled thing

PICT0108 from c h on Vimeo.