Scientific name: Metridium farcimen
Taxonomy: Kingdom Animalia → Phylum Cnidaria → Class Anthozoa → Subclass Hexacorallia → Order Actiniaria → Suborder Enthemonae → Superfamily Metridioidea → Family Metridiidae → Genus Metridium
Locations: Eastern Pacific
Group: Marine Life → Invertebrates → Anemones
Despite being over a foot long, they can pull all the way back into themselves. These do not fluoresce. They can live decades; the Lone Metridium at Point Lobos is a well-known landmark.