alcyonium digitatum or dead man's fingers, soft coral of the coast of northern atlantic ocean and south pacific

alcyonium digitatum dead man's fingers colony soft coral alcyoniidae coast polyps atlantic ocean south pacific northern appearance furry species colonial sublittoral zone sealife habitat pink hair orange fur seaflour suspension forming clumps sclerites crust tentacles feeder warm water europe portugal norway denmark canada biology united states underwater attached bedrock boulders stones animal plant baltic sea