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Hypsicomus stichophthalmos (Grube, 1863)

Slender green peacock worm

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Hypsicomus stichophthalmos

Carro, France, 12 meters, 2020, WBN

Hypsicomus stichophthalmos

Carro, France, 12 meters, 2020, WBN

Hypsicomus stichophthalmos

Carro, France, 12 meters, 2022, WBN

Hypsicomus stichophthalmos

Biarritz, France, 24 meters, 2010, WBN

Hypsicomus stichophthalmos

Biarritz, France, 26 meters, 2011, WBN

Description

Hypsicomus stichophthalmos is a small, sedentary annelid that lives in a cylindrical tube covered with fine grayish silt. This tube, which does not exceed 2 mm in diameter, protrudes only one to two centimeters from the substrate on which it is strongly anchored. Only the greenish-yellow to whitish gill plume comes out of the tube. This unfolds into a more or less flared trumpet and reaches 15 mm in diameter. It is composed of 14 to 30 gill filaments of equal size arranged in two semicircular lobes. On the external face, each filament bears on either side of the central axis, two linear series of eye spots arranged in a characteristic manner: one begins where the other ends. The body, completely protected in the tube, has 35 to 190 setigers including 9 to 13 thoracic. The little green sabella is an annelid that is sometimes found in large groups in shady areas. Very sensitive to vibrations and changes in brightness, the gill plume retracts very quickly into its tube in the event of danger, taking with it, when it is in a group, all the plumes of neighboring worms.

Distribution

Hypsicomus stichophthalmos lives between 8 and more than 120 meters depth in the western and eastern Mediterranean, it is common in the Marseille region. In the Atlantic, it is known from Madeira to Biarritz where it is also common.

Classification

Source : World Register of Marine Species
Dernière mise à jour 16-09-2023

Animalia (Kingdom)
Annelida (Phylum)
Polychaeta (Class)
Sedentaria (Subclass)
Canalipalpata (Infraclass)
Sabellida (Order)
Sabellidae (Family)
Sabellinae (Subfamily)
Hypsicomus (Genus)
Hypsicomus stichophthalmos (Species)

Glossaire de la page

Sedentary annelid : worm fixed and unable to move. Group of sedentary annelids. opposite: Wandering Annelid.

Setigere : segment carrying bristles (small hard hairs).

Bibliographie et sitographie

Fauvel P., 1927, Polychètes sédentaires, Faune de France, ed. Lechevalier, Paris, 494p.

Marion, A. F., Bobretzky, N., 1875, Étude Annélides du Golfe de Marseille, Annales des sciences naturelles, Masson, Paris, 106p.

Authors

Text : Wilfried Bay-Nouailhat © 2023 - 2024.

Photos : © Wilfried Bay-Nouailhat. Published with his kind permission.
Websites and reference works : Consult bibliography

Image satellite: © Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AeroGRID, IGN, and the GIS User Community.

Données de distribution : Hypsicomus stichophthalmos (Grube, 1863) in GBIF Secretariat (2019). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2024-06-14.

Guide des Tuniciers

Classification

Source : World Register of Marine Species


Dernière mise à jour 16-09-2023

Animalia (Kingdom)
Annelida (Phylum)
Polychaeta (Class)
Sedentaria (Subclass)
Canalipalpata (Infraclass)
Sabellida (Order)
Sabellidae (Family)
Sabellinae (Subfamily)
Hypsicomus (Genus)
Hypsicomus stichophthalmos (Species)

Guide des Tuniciers

Page glossary

Sedentary annelid : worm fixed and unable to move. Group of sedentary annelids. opposite: Wandering Annelid.

Setigere : segment carrying bristles (small hard hairs).

Bibliography and websites

Fauvel P., 1927, Polychètes sédentaires, Faune de France, ed. Lechevalier, Paris, 494p.

Marion, A. F., Bobretzky, N., 1875, Étude Annélides du Golfe de Marseille, Annales des sciences naturelles, Masson, Paris, 106p.

Authors

Text : Wilfried Bay-Nouailhat © 2023 - 2024.

Photos : © Wilfried Bay-Nouailhat. Published with his kind permission.
Websites and reference works : Consult bibliography

How to cite this page

Bay-Nouailhat W., September 2023, Description of Hypsicomus stichophthalmos, [On line] https://www.european-marine-life.org/16/hypsicomus-stichophthalmos.php, consulted on 2024 June 14.

Author

Photographie de Wilfried Bay-Nouailhat

Wilfried Bay-Nouailhat

Diver - Naturalist
Underwater Photographer

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