Nick Hawkins / A group of frilled anemones (Metridium senile) off Bonaventure Island in the Gulf of Saint Lawrence, Quebec, Canada. September.

Alex Mustard / Plumose anemones (Metridium senile) and common starfish (Asterias rubens) beneath the sun in a Norwegian Fjord. Gulen, Bergen, Norway. North East Atlantic Ocean.

Alex Mustard / 2020VISION / Plumose anemones (Metridium senile) feeding on Moon jellyfish (Aurilia aurita), which they have captured. Loch Long, Argyll and Bute, Scotland, UK, June. Did you know? Loch Long was previously used as...

Alex Mustard / 2020VISION / Detail of Plumose anemone (Metridium senile) in its retracted state at slack water when it is not feeding. Plymouth Sound, Devon, England, UK, English Channel, July

Alex Mustard / 2020VISION / Group of orange and white Plumose anemones (Metridium senile) with Moon jellyfish (Aurilia aurita) overhead in a sealoch, Loch Long, Argyll and Bute, Scotland, UK, June

Wild Wonders of Europe / Lundgren / Plumose sea anemone (Metridium senile) close-up, Saltstraumen, Bodö, Norway, October 2008

Wild Wonders of Europe / Lundgren / Plumose sea anemone (Metridium senile) Lofoten, Norway, November 2008

Wild Wonders of Europe / Lundgren / Plumose sea anemones (Metridium senile) on a ship wreck, Lofoten, Norway, November 2008

Wild Wonders of Europe / Lundgre / Plumose sea anemone (Metridium senile) close-up, Lofoten, Norway, November 2008 WWE BOOK. WWE INDOOR EXHIBITION Wild Wonders kids book.

Wild Wonders of Europe / Lundgren / Plumose sea anemone (Metridium senile) with Klas Malmberg in the background, Saltstraumen, Bod, Norway, October 2008

Pascal Kobeh / Reef covered with two red Stomphia sea anemones (Stomphia coccinea), with Plumose anemones (Metridium senile), Red soft corals (Eunephthya / Gersemia rubiformis) and Green sea urchins (Strongylocentro...

Pascal Kobeh / Diver on a reef covered with Plumose anemones (Metridium senile) Gulf of Saint Lawrence, Canada

Nick Hawkins / Frilled anemones (Metridium senile) growing off Bonaventure Island in the Gulf of Saint Lawrence, Canada. September.

Nick Hawkins / A common spider crab, (Libinia emarginata) camoflages among a group of frilled anemones (Metridium senile) off Bonaventure Island in the Guld of Saint Lawrence, Quebec, Canada. September.

Nick Hawkins / Frilled anemones (Metridium senile) growing amonst sponges off Bonaventure Island in the Gulf of Saint Lawrence, Quebec, Canada. September.

Nick Hawkins / A group of frilled anemones (Metridium senile) and various invertebrates growing off Bonaventure Island in the Gulf of Saint Lawrence, Quebec, Canada. September.

Alex Mustard / Common lobster (European lobster: Homarus gammarus) shelters in the structure of the Wreck of the Rosalie, which is encrusted with Plumose anemones (Metridium senile). Weybourne, north Norfolk, Englan...

Alex Mustard / Pair of Edible crabs (Cancer pagurus) shelter in the structure of the Wreck of the Rosalie, which is encrusted with Plumose anemones (Metridium senile). Weybourne, north Norfolk, England, United Kingd...

Franco Banfi / Plumose anemone (Metridium senile), Alaska, North Pacific Ocean.

Franco Banfi / Plumose anemone (Metridium senile), Alaska, North Pacific Ocean.

SCOTLAND: The Big Picture / Plumose anemone (Metridium senile) with fish swimming in plankton bloom in background, South Arran Marine Protected Area, Isle of Arran, Scotland, UK, August.

SCOTLAND: The Big Picture / Plumose anemone (Metridium senile) and hydroids (Nemertesia ramosa) with fish swimming in plankton bloom in background, South Arran Marine Protected Area, Isle of Arran, Scotland, UK, August.

SCOTLAND: The Big Picture / Edible crab (Cancer pagurus) sitting between hydroids (Nemertesia ramosa) and Plumose anemone (Metridium senile) with fish swimming in plankton bloom in background, South Arran Marine Protected Area,...

SCOTLAND: The Big Picture / Elegant anemone (Sagartia elegans) and Plumose anemone (Metridium senile) with fish swimming in plankton bloom in background, South Arran Marine Protected Area, Isle of Arran, Scotland, UK, August.

SCOTLAND: The Big Picture / A rocky reef covered in anemones such as Plumose anemone (Metridium senile), starfish, sponges and seaweed, with fish swimming in plankton bloom in background. South Arran Marine Protected Area, Isle...

SCOTLAND: The Big Picture / Elegant anemone (Sagartia elegans) and Plumose anemone (Metridium senile) with fish swimming in plankton bloom in background, South Arran Marine Protected Area, Isle of Arran, Scotland, UK, August.

Franco Banfi / Plumose anemones (Metridium senile) Vancouver Island, British Columbia, Canada, Pacific Ocean

Franco Banfi / White-plumed anemone (Metridium senile) Vancouver Island, British Columbia, Canada, Pacific Ocean

Franco Banfi / Orange sea cucumber (Cucumaria miniata) and anemone, (Metridium senile) Vancouver Island, British Columbia, Canada, Pacific Ocean

Andy Jackson / 2020VISION / Plumose sea anemone (Metridium senile) with fish fry in the back ground, Samba Wreck, Lerwick, Shetland, Scotland, UK, July.

Sue Daly / Reef wall covered in Plumose anemone (Metridium senile) The Isles of Scilly.

Sue Daly / Reef wall with Plumose anemone (Metridium senile) and Dead man's fingers coral (Alcyonium digitatum) The Isles of Scilly.

Solvin Zankl / Plumose anemone (Metridium senile) Stromsholmen, North West Norway, Atlantic Ocean.

Alex Mustard / Plumose anemone (Metridium senile) photographed against the sun. Gulen, Bergen, Norway. North East Atlantic Ocean.

Franco Banfi / Plumose sea anemone (Metridium senile) mouth detail, Arctic circle Dive Center, White Sea, Karelia, northern Russia

Franco Banfi / Scuba diver with Plumose sea anemone (Metridium senile) under ice, Arctic circle Dive Center, White Sea, Karelia, northern Russia March 2010

Franco Banfi / Plumose sea anemone (Metridium senile) with scuba diver, Arctic circle Dive Center, White Sea, Karelia, northern Russia March 2010

Franco Banfi / Plumose sea anemones (Metridium senile) under ice with cut breathing holes visible above, Arctic circle Dive Center, White Sea, Karelia, northern Russia

Franco Banfi / Aggregating anemone (Metridium senile) White Sea, Arctic circle Dive Center, Karelia, Northern Russia, September

Franco Banfi / Aggregating anemone (Metridium senile) White Sea, Arctic circle Dive Center, Karelia, Northern Russia, September

Franco Banfi / Aggregating anemone (Metridium senile) White Sea, Arctic circle Dive Center, Karelia, Northern Russia, September

Franco Banfi / Aggregating anemone (Metridium senile) White Sea, Arctic circle Dive Center, Karelia, Northern Russia, September

Solvin Zankl / Plumose anemone (Metridium senile), Atlantic Ocean, North West Norway

Sue Daly / Plumose anemone (Metridium senile) Channel Islands, UK June

Alex Mustard / 2020VISION / Short plumose anemones (Metridium senile) on wall of a sealoch, this species favours areas of strong current, both white and orange forms, Loch Long, Argyll and Bute, Scotland, UK, June

MYN / Jerry Monkman / Frilled anemone (Metridium senile) on Blue mussel (Mytilus edulis). Rye, New Hampshire, USA, August. meetyourneighbours.net project

MYN / Jerry Monkman / Frilled anemone (Metridium senile) on Blue mussel (Mytilus edulis). Rye, New Hampshire, USA, August. meetyourneighbours.net project

Robert Thompson / Plumose anenome {Metridium senile} Portaferry, Strangford, County Down, Northern Ireland, UK, April

Robert Thompson / Plumose anenome {Metridium senile} Portaferry, Strangford, County Down, Northern Ireland, UK, April

Robert Thompson / Plumose anenome {Metridium senile} close up of tentactles, Portaferry, Strangford, County Down, Northern Ireland, UK, April

Wild Wonders of Europe / Lundgren / Plumose anemones (Metridium senile) on a ship wreck, close to Svolvaer, Lofoten, Norway, November 2008

Wild Wonders of Europe / Lundgren / Plumose sea anemones (Metridium senile) on rock with Klas Malmberg in the background, Saltstraumen, Bodö, Norway, October 2008

Sue Daly / Plumose anemone {Metridium senile} Gouliot Caves, Alderney, Channel Islands, UK

Norbert Wu / Spotted Ratfish (Hydrolagus colliei) usually a deep dwelling fish, Alaska

Norbert Wu / Sunflower Sea Star (Pycnopodia helianthoides) and Purple Sea Urchin (Strongylocentrotus purpuratus) in feeding on Frilled Sea Anemones (Metridium senile), Vancouver Island, British Columbia, Canada

Norbert Wu / Quillback Rockfish (Sebastes maliger) amid Frilled Sea Anemones (Metridium senile), the fish live to 95 years, late sexual maturity makes them vulnerable to overfishing, Alaska

Sue Daly / Plumose Anemone (Metridium senlie), Gouliot Caves, Sark, Channel Islands, UK

Scott Leslie / Frilled Sea Anemone (Metridium senile) group, Nova Scotia, Canada

Scott Leslie / Frilled Sea Anemone (Metridium senile) group showing extended tentacles, Nova Scotia, Canada

Alan James / Plumose sea anemone {Metridium senile} UK

Alan James / Plumose sea anemone {Metridium senile} UK

GEORGETTE DOUWMA / Plumose anemone (Metridium senile) south coast, UK.

Jeff Rotman / Mouth of Frilled Metridium Anemone (Metridium senile). New England, USA, Atlantic Ocean.

Doug Perrine / Greenland sleeper shark (Somniosus microcephalus) swimming over Plumose anemones {Metridium senile} and Northern red anemones {Tealia felina}, St. Lawrence River estuary, Canada NB: this shark was wi...

Norbert Wu / Frilled Sea Anemone (Metridium senile) and Sea Urchin, Queen Charlotte Islands, Canada

Fred Bavendam / Frilled Sea Anemone (Metridium senile) surrounded by genetic clones of an Orange Frilled Sea Anemone, British Columbia, Canada

Fred Bavendam / Frilled Sea Anemone (Metridium sp) growing on shallow rocks near the south end of Browning Pass affected by ocean currents, British Columbia, Canada

Fred Bavendam / Lion's Mane (Cyanea capillata) jellyfish ensnared by a Frilled Sea Anemone (Metridium senile), British Columbia, Canada

Dan Burton / Plumose anemone {Metridium senile} Devon, UK

David Fleetham / Plumose anemones (Metridium senile), with diver, British Columbia, Canada.

Norbert Wu / Frilled Sea Anemone (Metridium senile) field with sea star at base, southeast Alaska

Norbert Wu / Frilled Sea Anemone (Metridium senile) group, Leather Star (Dermasterias imbricata) and Orange Sun Star (Solaster stimpsoni), Vancouver Island, British Columbia, Canada

Norbert Wu / Frilled Sea Anemone (Metridium senile) group, Giant Green Sea Anemones (Anthopleura xanthogrammica) and Ochreous Starfish (Pisaster ochraceus), Vancouver Island, British Columbia, Canada

Alex Mustard / Red soft coral (Eunephthya rubiformis), Yellow encrusting sponges (Myxilla lacunosa) and Plumose anemones (Metridium senile) growing on reef wall, Browning Pass, Vancouver Island, British Columbia, Ca...

Alex Mustard / Scalyhead sculpin (Artedius harringtoni) resting among tentacles of Plumose anemones (Metridium senile), Browning Pass, Vancouver Island, British Columbia, Canada, Queen Charlotte Strait, Pacific Ocea...

Alex Mustard / Wolf eel (Anarrhichthys ocellatus) male, resting among Plumnose anemones (Metridium senile), Vancouver Island, British Columbia, Canada, Queen Charlotte Strait, Pacific Ocean.

Alex Mustard / Lingcod (Ophiodon elongatus) resting on a reef covered with Plumose anemones (Metridium senile), Browning Pass, Vancouver Island, British Columbia, Canada, Queen Charlotte Strait, Pacific Ocean.

Alex Mustard / Sharpnose crab (Scyra acutifrons) feeding on passing particles, whilst hiding in a gap between a White short plumose anemone (Metridium senile) and a Yellow encrusting sponge (Myxilla lacunosa), Brown...

Alex Mustard / Scalyhead sculpin (Artedius harringtoni) resting on Short plumose anemones (Metridium senile) in front of Yellow encrusting sponges (Myxilla lacunosa), Browning Pass, Vancouver Island, British Columbi...

Alex Mustard / Red Irish lord (Hemilepidotus hemilepidotus) camouflaged on reef with White short plumose anemones (Metridium senile), Browning Pass, Vancouver Island, British Columbia, Canada, Queen Charlotte Strait...

Alex Mustard / Red Irish lord (Hemilepidotus hemilepidotus) camouflaged amongst Red soft coral (Eunephthya rubiformis) and Yellow encrusting sponges (Myxilla lacunosa) with White plumose anemones (Metridium senile)...

Shane Gross / Plumose anemones (Metridium senile) hanging from a dock piling at low tide, Bamfield, Vancouver Island, British Columbia, Canada.

Shane Gross / Plumose anemones (Metridium senile) hanging from a dock piling at low tide, Bamfield, Vancouver Island, British Columbia, Canada.

Shane Gross / RF - China rockfish (Sebastes nebulosus) hiding behind Red soft coral (Eunephthya rubiformis) and Plumose sea anemones (Metridium senile), Browning Pass, British Columbia, Canada, Pacific Ocean. (This...

Joel Sartore / Photo Ark / Powder puff anemone (Metridium senile) on black background, Indianapolis Zoo.

Franco Banfi / Scuba diver swimming over Plumose sea anemone (Metridium senile), Trondheimsfjord, Norway, Atlantic Ocean.

Franco Banfi / Plumose sea anemone (Metridium senile) on seabed, Trondheimsfjord, Norway, Atlantic Ocean.

Shane Gross / Scalyhead sculpin (Artedius harringtoni) hiding amongst Plumose anemone (Metridium senile), Browning Pass, Queen Charlotte Strait, Vancouver Island, British Columbia, Canada.

Shane Gross / Reef scene including red soft coral (Gersemia rubiformis), Giant plumose anemone (Metridium senile) and Bull kelp (Nereocystis luetkeana), Vancouver Island, British Columbia, Canada, Pacific Ocean.

Alex Mustard / Orange peel nudibranch (Tochuina tetraquetra) feeding on Red soft coral (Eunephthya rubiformis) with Short plumose anemones (Metridium senile). There is a second nudibranch behind the outcrop. Brownin...

David Hall / Acorn barnacles (Semibalanus cariosus) and (Balanus glandula), Mussels (Mytilus sp.), and Plumose anemones (Metridium senile) underwater at high tide, Seven Tree Island, Browning Pass, Queen Charlotte...

David Hall / Red Irish lord sculpin (Hemilepidotus hemilepidotus) camouflaged amongst Plumose anemones (Metridium senile), red soft coral (Gersemia rubiformis), various sponges, bryozoans and calcareous tubeworms....

David Hall / Red Irish lord fish (Hemilepidotus hemilepidotus) with Plumose anemones (Metridium senile) Seven-tree Island, Browning Pass, Queen Charlotte Strait, British Columbia, Canada. May.

David Hall / Short plumose aemones (Metridium senile) Browning Pass, Queen Charlotte Strait, British Columbia, Canada. September.

David Hall / Purple and Ochre sea stars (Pisaster ochraceus) preying on Pacific blue mussels (Mytilus trossulus). Also seen are Green Surf Anemones (Anthopleura xanthogrammica), Short Plumose Anemones (Metridium s...