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Tethya aurantium

Tethya aurantium

Sea orange

   Tethya aurantium is a ball-shaped sponge from 2 to 10 cm in diameter. It is yellow or pale orange. It is attached to rocks by means of its base and some extensions resembling roots. It has a single large oscule, generally at the top. Its surface is granulous with sometimes small round and spiny outgrowths. Its consistency is hard.
It is recorded in the Atlantic Ocean, the English Channel, the North Sea and the Mediterrannean Sea.

Classification

 (source: European Register of Marine Species)

  • Porifera [Phylum]
  • Demospongiae [Class]
  • Hadromerida [Order]
  • Tethyidae [Family]
  • (Pallas, 1766)

Page glossary


Oscule : Opening generally quite visible, through which sponges expel water they have filtered to extract food particles.

Tethya aurantium. Tethya aurantium
Buding individual.

 
 

Authors


Top photograph :
© Wilfried Bay-Nouailhat. Published with author's kind permission : 
Tethya aurantium, Iles Glénan, South-Brittany, West of France. Depth 16 meters.
Bottom photograph : © Wilfried Bay-Nouailhat. Published with author's kind permission : 
Tethya aurantium, Buding individual.. Iles Glenan, South-Brittany, West of France. Depth 416meters.
Text :  Wilfried Bay-Nouailhat © 2004-2017.
Translation :  Anne Bay-Nouailhat © 2007-2017.

How to cite this page in publications


Bay-Nouailhat W., September 2004, Description of Tethya aurantium, Available on line at http://www.european-marine-life.org/02/tethya-aurantium.php, consulted on 24 April 2017.
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