Tubularia indivisa

Tubularia indivisa, or oaten pipes hydroid, is a species of large hydroid native to the northeastern Atlantic Ocean, the North Sea, Norwegian Sea, and the English Channel. The conical solitary polyps are found on dull yellow unbranched stems that reach 10 to 15 cm (3.9 to 5.9 in) in height with a diameter of 1.5 cm (0.59 in). They may be fused to a small number of other individual stems at their bases. The pinkish to red polyps resemble flowers, having two concentric rings of tentacles, with the outer rings being paler and longer than the inner ring. At the center is a pale pink gonotheca. They are preyed upon by nudibranchs.[2][3]

Oaten pipes hydroid
Colony of Tubularia indivisa
Scientific classification
Kingdom: Animalia
Phylum: Cnidaria
Class: Hydrozoa
Order: Anthoathecata
Family: Tubulariidae
Genus: Tubularia
Species:
T. indivisa
Binomial name
Tubularia indivisa
Synonyms[1]
  • Tubularia ceratogyne Pérez, 1920
  • Tubularia simplex Alder, 1862

Distribution

A common species on coasts of the British Isles and adjacent parts of the north-east Atlantic Ocean.[4]

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References
  1. WoRMS (2011). Schuchert P (ed.). "Tubularia indivisa Linnaeus, 1758". World Hydrozoa database. World Register of Marine Species. Retrieved February 6, 2012.
  2. Rose Edwards (2008). "Oaten pipes hydroid - Tubularia indivisa". Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme, Plymouth: Marine Biological Association of the United Kingdom. Retrieved February 6, 2012.
  3. W. Bay-Nouailhat (2006). "Description of Tubularia indivisa". European Marine Life. Retrieved February 6, 2012.
  4. Picton, B.E. & Morrow, C.C. (2016). Tubularia indivisa Linnaeus, 1758. [In] Encyclopedia of Marine Life of Britain and Ireland. Accessed on 2018-02-06


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