Audierne, France, 17 meters, 2006, WBN
Glénan Archipelago, France, 15 meters, 2004, WBN
Tubularia indivisa is a large hydroid reaching 10 to 15 cm in height. Living in small clumps, the unbranched stems, gathered at the base, are pale horn coloured and bear a single pale pink polyp. The tentacles form two concentric circles: those of the external circles are longer than those of the oral one. In Spring (mostly), reddish-pink gonothecae grow between the tentacles. There is no medusa released. It lives attached to rocks, or sometimes among seaweeds' haptera in current-swept areas.
Tubularia indivisa lives in the North-East Atlantic Ocean, the English Channel, the North Sea and the Norwegian Sea.
Source : World Register of Marine Species
Dernière mise à jour 07-01-2023
Animalia (Kingdom)
Cnidaria (Phylum)
Hydrozoa (Class)
Hydroidolina (Subclass)
Anthoathecata (Order)
Aplanulata (Suborder)
Tubulariidae (Family)
Tubularia (Genus)
Tubularia indivisa (Species)
Gonotheca : part of the hydroid producing gametes and where eggs are incubated till the lava is released.
Text : Wilfried Bay-Nouailhat © 2006 - 2025.
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 : Tubularia indivisa Linnaeus, 1758 in GBIF Secretariat (2019). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2025-07-12.
Source : World Register of Marine Species
Dernière mise à jour 07-01-2023
Animalia (Kingdom)
Cnidaria (Phylum)
Hydrozoa (Class)
Hydroidolina (Subclass)
Anthoathecata (Order)
Aplanulata (Suborder)
Tubulariidae (Family)
Tubularia (Genus)
Tubularia indivisa (Species)
Gonotheca : part of the hydroid producing gametes and where eggs are incubated till the lava is released.
Text : Wilfried Bay-Nouailhat © 2006 - 2025.
Photos : ©
Wilfried Bay-Nouailhat. Published with his kind permission.
Websites and reference works : Consult bibliography
Bay-Nouailhat W., september 2006, Description of Tubularia indivisa, [On line] https://www.european-marine-life.org/05/tubularia-indivisa.php, consulted on 2025 July 12.
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Diver - Naturalist
Underwater Photographer
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