Scientific name: Acromegalomma sp.1
Taxonomy: Kingdom Animalia → Phylum Annelida → Class Polychaeta → Subclass Sedentaria → Infraclass Canalipalpata → Order Sabellida → Family Sabellidae → Subfamily Sabellinae → Genus Acromegalomma
Locations: Eastern Pacific
Group: Marine Life → Invertebrates → Tube Worms
These are obnoxiously sensitive to changes in light. If you use a focus light with your camera, they'll vanish into their stalk before you can take a picture. Unlike Serpula columbiana, these don't have a funnel.