Purple Octopus - using citizen science to discover marine interactions
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Cerianthus membranaceus

(Spallanzani, 1784)


Michele Lipari cerianthus membranaceus

Greotti Cesare BELLA FOTO BRAVO!

Message posted on Scubashooters.net on 12 Sep 2013
Roberto Ruggiero TORRE VADO (LE) - CANALE DELLE ARAGOSTE Cerianto (Cerianthus membranaceus) - Med Sea August 2013. SEALIFE DC1200. 1/320 F8 ISO 100.

Message posted on Scubashooters.net on 29 Aug 2013
Roberto Ruggiero Cerianthus Membranaceus - Med Sea July 2012. SEALIFE DC1200 1/250 F8/6 ISO100.

Message posted on Scubashooters.net on 14 Jun 2013
Michele Lipari CERIANTHUS MEMBRANACEUS

Dimitris Drakopoulos !!!!!!!!!!!

Sylvie Lalane fleur de la mer super

Message posted on UWphotographers on 12 Sep 2013
Marco Paravella Cerianthus membranaceus-Cerianto-Livorno (Italy) loc. Calafuria-Dive "Isola"-Nikon D7000 in Subal-2xS&S 110-iso 100-f 32-1/125 Nikkor 105 Vr

Marco Paravella Thanks Krzysiek Rogaliński and Fettah Nezih Tütüncüoğlu, bye

Marco Paravella Thanks John Connor, Ilse Merz and Fabio Strazzi, bye

Message posted on Scubashooters.net on 28 Apr 2013
Roberto Ruggiero TORRE VADO (LE) - CANALE DELLE ARAGOSTE Cerianto (Cerianthus membranaceus) - Med Sea August 2013. SEALIFE DC1200. 1/320 F8 ISO 100.

Message posted on UWphotographers on 29 Aug 2013
Marco Paravella Cerianthus membranaceus-Cerianto-Dive "Grotta del Grongo" Livorno (Italy)-Nikon D7000 in Subal-2xSea&Sea 110-iso 100-f 9 1/100-Nikkor 105

Ilse Merz very nice!

Marco Paravella Thanks Ilse Merz, bye

Scubashooters Dot Net Nice! :)

Marco Paravella Thanks Scubashooters Dot Net, bye

Marco Paravella Thanks all for the likes, bye

Iris Dielhenn very good idea! :-)

Marco Paravella Thanks Iris Dielhenn, bye

Message posted on Scubashooters.net on 14 Dec 2012
Roberto Ruggiero Cerianthus Membranaceus - Med Sea July 2012. SEALIFE DC1200 1/250 F8/6 ISO100.

Roberto Ruggiero Many Thanks!!!

Giorgio Cavallaro (Y)

Message posted on UWphotographers on 14 Jun 2013
Roberto Ruggiero TORRE VADO (LE) - CANALE DELLE ARAGOSTE Cerianto (Cerianthus membranaceus) - Med Sea August 2013. SEALIFE DC1200. 1/320 F8 ISO 100.

Message posted on UW photo - Fotosub on 29 Aug 2013
Roberto Ruggiero Cerianthus Membranaceus - Med Sea July 2012. SEALIFE DC1200 1/250 F8/6 ISO100.

Message posted on UW photo - Fotosub on 14 Jun 2013
Marco Paravella Cerianthus membranaceus-Cerianto-Livorno (Italy) loc. Calafuria-Dive "Isola"-Nikon D7000 in Subal-2xS&S 110-iso 100-f 32-1/125 Nikkor 105 Vr

Message posted on UW photo - Fotosub on 28 Apr 2013
Ferdinando Meli Soft coral (Cerianthus membranaceus) - Nikon D50, Iso 200, 1/125, f22, Two strobes

Message posted on Underwater Macro Photographers on 01 May 2012
Ferdinando Meli Cerianthus membranaceus - Nikon D50, Iso200, 1/125, f11, Sea&Sea 120 Strobe

Message posted on Underwater Macro Photographers on 22 Apr 2012
Ferdinando Meli Soft coral (Cerianthus membranaceus) - Nikon D50, Iso 200, 1/125, f11, Sea&Sea120 strobe

Jack de Vries nice tube worm Ferdinando Meli:)

Ferdinando Meli Very thank's Jack!!! This is a soft coral no worm... ;-)

Jack de Vries ok thanks I thought it was a tube worm :)

Message posted on Underwater Macro Photographers on 14 Apr 2012
Marco Paravella Cerianthus membranaceus-Cerianto-D7000-f9-1/100-iso 100-2 sea&sea 110-Livorno (Italy)

Marco Paravella grazie Marco Maccarelli

Message posted on Underwater Macro Photographers on 04 Apr 2012
Gero Rinaldo Sony DSC-wx1 Cerianthus membranaceus-Isola d'Elba-Mar Tirreno

Message posted on Underwater Macro Photographers on 17 Mar 2012
Roberto Ruggiero TORRE VADO (LE) - CANALE DELLE ARAGOSTE Cerianto (Cerianthus membranaceus) - Med Sea August 2013. SEALIFE DC1200. 1/320 F8 ISO 100.

Message posted on Wetpixel Underwater Photography on 29 Aug 2013
Marco Paravella Cerianthus membranaceus-Cerianto-Livorno (Italy) loc. Calafuria-Dive "Isola"-Nikon D7000 in Subal-2xS&S 110-iso 100-f 32-1/125 Nikkor 105 Vr

Marco Paravella Thanks Danny Ocampo, bye

Marco Paravella Thanks Bloc Dixhuit, Ilse Merz, Giorgio Cavallaro Uwp, ciao

Lenka Guznarová (y)

Marco Paravella Thanks Lenka Guznarová, bye

Message posted on UWphotographers on 28 Apr 2013
Marco Paravella Cerianthus membranaceus-Cerianto-Livorno (Italy) loc. Calafuria-Dive "Isola"-Nikon D7000 in Subal-2xS&S 110-iso 100-f 32-1/125 Nikkor 105 Vr

Marco Paravella Thanks Troy Williams, bye

Bert Stankowski like a flower, very nice

Marco Paravella Thanks Bert Stankowski, bye

Marco Paravella Thanks Stefano Scortegagna, Malida Alcazar, Emanuela Purificato, bye

Marco Paravella Thanks John Connor, Noriyuki Otani, Barbara Trevisan, bye

Message posted on Wetpixel Underwater Photography on 28 Apr 2013
Marco Paravella Cerianthus membranaceus-Cerianto-Dive "Grotta del Grongo" Livorno (Italy)-Nikon D7000 in Subal-2xSea&Sea 110-iso 100-f 9 1/100-Nikkor 105

Marco Paravella Thanks all for the likes, bye

Message posted on Wetpixel Underwater Photography on 14 Dec 2012
Marco Paravella Cerianthus membranaceus-Cerianto-Dive "Grotta del Grongo" Livorno (Italy)-Nikon D7000 in Subal-2xSea&Sea 110-iso 100-f 9 1/100-Nikkor 105

Marco Paravella Thanks all for the likes, bye

Message posted on UWphotographers on 14 Dec 2012
Francesco Turano Cerianthus membranaceus longevo...

Tullio Foti .................come prima...............silenzio,anzi mi dedico ai compiti per casa ,ricerca del bianco e nero !ciao Francesco ,ad maiora non si può ! dopo questi spettacoli,ma attenzione che un super critico killer in costante agguato potrebbe trovare il pelo nell'uovo di seppia !!!????

Alessandro Diotallevi Longevo quanto ? :-))))))

Angelo Mojetta Ciao Francesco, ti ho inviato un email. L'hai vista? Angelo

Ilse Merz WOW!

Alessandro Diotallevi Nel senso da quanto lo conosci, da quanto fotografi questo esemplare ? :-))))

Francesco Turano Alessandro: io lo fotografo da sempre, ma dai racconti di chi mi ha preceduto nulla esclude che questi animali potrebbero avere quasi un secolo...

Alessandro Diotallevi Bellissimo... :-)))))

Message posted on UWphotographers on 08 Nov 2012
Francesco Turano Cerianthus membranaceus, Stretto di Messina (Mediterraneo)

Vitaline Marie Rose marvellous!!!

Gianni Colucci ottimo scatto

Message posted on UWphotographers on 30 Oct 2012
John Paul Connor Cerianthus membranaceus Mars 2013 Théoule sur Mer fujifilm finepix

Zeynep Eroğlu I love that :)))))

John Paul Connor Thank you Zeynep

Sabine Van Durmen very nice

Gaglione Tiziana Tres belle.....!!!!

John Paul Connor Thanks Gaglione et Sabine

Sabine Van Durmen thank you Jhon John Paul Connor ;)

Stuart Pearce Very nice shot :)

John Paul Connor Thank you Stuart

Message posted on The Global Diving Community on 25 Oct 2013
Francesco Turano Un celenterato molto fotogenico!

Ron Silver Tube Anemone, Cerianthus sp.

Francesco Turano Cerianthus membranaceus, exemplary elderly! Scilla, Streat of Messina (Calabria, Italy).

Ron Silver :-D

Gianni Colucci super

Michele Lipari quanto mi pace francesco

Michele Lipari sei a scilla?sotto il castello?

Andrea Mucedola Bellissima ... Posso chiedrti le tue impostazioni ?

Message posted on Scubashooters.net on 09 Oct 2013
Jose Maria Abad Ortega Phoronis australis (5 mms) symbiotic with Cerianthus membranaceus La Herradura 2008 Nikon D200 in Sea Sea Sigma 105 + Nexus lensX2 Inon Z240X2 F32 1/90

Message posted on Scubashooters.net on 14 May 2013
Jose Maria Abad Ortega Phoronis australis (5 mms) symbiotic with Cerianthus membranaceus La Herradura 2008 Nikon D200 in Sea Sea Sigma 105 + Nexus lensX2 Inon Z240X2 F32 1/90

Message posted on UW photo - Fotosub on 14 May 2013
Jose Maria Abad Ortega Phoronis australis (5 mms) symbiotic with Cerianthus membranaceus La Herradura 2008 Nikon D200 in Sea Sea Sigma 105 + Nexus lensX2 Inon Z240X2 F32 1/90

John Paul Connor Wow Superbe

Message posted on UWphotographers on 14 May 2013
Stuart Pearce Tube Anemone (Cerianthus membranaceus)... Altinkum, Turkey 2008.

Michael Sterken I think I have seen a similar species. But what I saw was very dark, and much smaller. The tentacles seemed to have suckers on them like an octopus. They were constantly wiggling. one that I saw was under a rock so I could not get a close pic, and then the crazy DM in St. Lucia actually picked one up to show, but I could not get near him to photograph. it seemed to be one organism. Do you know the species?

Michael Sterken this is a photo my dive buddy shot - SeaLife camera

Stuart Pearce Is this it? http://stevenwsmeltzer.photoshelter.com/gallery-image/Coral-Reefs/G00007HdqcXifCa4/I0000IPqTBNf2Kl8

Michael Sterken no. the "branches" were smooth except for the suckers, and wiggled around very freely. not rigid at all. to me, it looked more like an animal rather than coral. I actually would have been afraid to touch it for fear of a sting.

Stuart Pearce Will have a better look later Michael, need to go out now :)

Ron Silver Giant Basket Star, Astrophyton muricatum (juvenile)

Stuart Pearce Thanks Ron, here is an image http://simonsen.photoshelter.com/image/I00002fHcZmdIHdA

Michael Sterken That's it! I could not find it, but I was looking at the anemone family. Thanks! (kind of a funny side-note: I was at a local aquarium where they let the kids touch various creatures. My daughter called the starfish a starfish, but they vehemently corrected her - they said "that is not a fish, so we have renamed it "Sea Star". I told them they would have about as much luck as the USA did trying to convert to the metric system.) thanks Ron Silver & Stuart Pearce.

Message posted on The Global Diving Community on 18 Nov 2013
Vasco Ferreira Anyone knows this little Polychaeta? It´s very small, notice the Jewel anemone in the lower part of the photo. Thanks.

Vasco Ferreira A Phoronida... Thanks Dawn, i was kinda lost here!

João Pedro Silva These are very common here in Portugal: http://www.flickr.com/photos/49844432@N08/8872398378/

João Pedro Silva But we also have Phoronis australis usually next to Cerianthus membranaceus: https://www.facebook.com/photo.php?fbid=635444863147974&set=pb.100000473971278.-2207520000.1373314308.&type=3&theater

Vasco Ferreira I must have been distracted João! First time i saw them, here in North Portugal Marine Park (i´m always looking at the fishes tough).

João Pedro Silva When I'm asked how I spot small animals I usually say it's all a matter of "tuning". I'm usually tuned to small stuff so I miss the big stuff :)

Erling Svensen Very comon in the fjords in Norway too.

Message posted on Seasearch Identifications on 08 Jul 2013
David Kipling Lovely little crown of tentacles - is this a hydroid? ~ 10-12m, Pembrokeshire, tideswept reef.

João Pedro Silva Or Entoprocta?

David Kipling How would I tell the difference?

Marco Faasse João Pedro Silva is correct, these are certainly Entprocta. Pedicellina sp.

David Kipling Thanks! I hope Bernard's hydroid course will include "stuff that sort-of looks like a hydroid but isn't" ;)

Marco Faasse The shape of body and tentacle crown is characteristic.

João Pedro Silva At first the crown looked more similar to a bryozoan's but the long stalk hinted to Entoprocta. I know very little about them but the association of Trapania spp. with these animals triggered my attention. http://www.flickr.com/photos/jpsilva1971/7256479120/

Kerry Lewis Oh god, that's a whole new phylum! I'm ignoring this post.

João Pedro Silva There are more phyla which are usually overlooked :) http://www.flickr.com/photos/jpsilva1971/5199223378/

David Kipling Yes, we had some Phoronis hippocrepia yesterday Kerry ;)

João Pedro Silva Phoronis australis is occasionally also found here, usually associated with Cerianthus membranaceus: https://www.facebook.com/photo.php?fbid=635444863147974&set=a.635444376481356.1073741836.100000473971278&type=3&theater

Liz Morris These are the best Enctoproct photos I've seen... but get them a lot in my petri dish when in the Cleddau. Nice :)

Cynthia D. Trowbridge David Kipling, theoretically you should be able see both the mouth and anus within the crown of tentacles (hence ento-procta); hydroids just have a mouth and no anus; ectoprocts have anus outside circle of tentacles....so it all depends on whether you can find an anus...

Marco Faasse And for the less anus-oriented people: the stalk of entoprocts is regularly bent to the substrate, probably some stimulation will help.

David Kipling So if I get this right: entoprocta (poo inside tentacles), ectoprocta (poo outside tentacles), and hydroids ... er how do they get away with not having an anus, do they have a funny diet or something?

Marco Faasse In Dutch: mondje=kontje (mouth=anus). Not exactly to be jealous of.

David Kipling Entoprocta aka kamptozoa ... "bowing animals" apparently, good way to remember the bent bit Marco! This is why a classical education is (or in my case, would have been ...) useful. http://www.biblestudytools.com/lexicons/greek/nas/kampto.html

Marco Faasse There you go ... I never knew what kamptozoa meant. How a lack of biblical education makes one a handicapped person ...

Message posted on Seasearch Identifications on 20 May 2013
Fabrizio Frixa Cerianthus membranaceus Tube Anemone Ionian coast of eastern Sicily Capomolini - Acireale (CT) depth 30m

Message posted on Scubashooters.net on 30 Sep 2013
Fabrizio Frixa Cerianthus membranaceus (or solitarius) Tube Anemone Depths of Scilla (RC) Tyrrhenian coast of Calabria Depth 40m

Greotti Cesare BELLA; BELLA; BELLA; BRAVO

Κυριάκος Παπαχριστοφίλου ΑΑΑ!

Message posted on Scubashooters.net on 11 Sep 2013
Fabrizio Frixa Cerianthus membranaceus Tube Anemone Ionian coast of eastern Sicily Capomolini - Acireale (CT) Depth 30m

Message posted on UWphotographers on 30 Sep 2013
Fabrizio Frixa Cerianthus membranaceus (or solitarius) Tube Anemone Depths of Scilla (RC) Tyrrhenian coast of Calabria Depth 40m

Giorgio Cavallaro (Y) (Y)

Message posted on UWphotographers on 11 Sep 2013
Fabrizio Frixa Cerianthus membranaceus Tube Anemone Ionian coast of eastern Sicily Capomolini - Acireale (CT) Depth 30m

Stuart Pearce Very cool shot :)

Ernst Andres (Y) I like it

Message posted on The Global Diving Community on 30 Sep 2013
Fabrizio Frixa Cerianthus membranaceus (or solitarius) Tube Anemone Depths of Scilla (RC) Tyrrhenian coast of Calabria Depth 40m

Stuart Pearce Beauty :)

Message posted on The Global Diving Community on 11 Sep 2013
Taxonomy
Animalia (Kingdom)
  Cnidaria (Phylum)
    Anthozoa (Class)
      Hexacorallia (Subclass)
        Ceriantharia (Order)
          Spirularia (Suborder)
            Cerianthidae (Family)
              Cerianthus (Genus)
                Cerianthus membranaceus (Species)
Associated Species