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Complexum pusillum

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© by Dr. Leen P. van Ofwegen, Dr. Didier Aurelle, Dr. Stéphane Sartoretto

Uploaded by AndiV.
Courtesy of the author Dr. Leen P. van Ofwegen, Dr. Didier Aurelle, Dr. Stéphane Sartoretto (© by Dr. Leen P. van Ofwegen, Dr. Didier Aurelle, Dr. Stéphane Sartoretto) Image detail


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lexID:
8243 
AphiaID:
828945 
Scientific:
Complexum pusillum 
German:
Weichkoralle 
English:
Complexum Pusillum 
Category:
Mjukkoraller 
Family tree:
Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Alcyonacea (Order) > Alcyoniidae (Family) > Complexum (Genus) > pusillum (Species) 
Initial determination:
Van Ofwegen, Aurelle & Sartoretto, 2014 
Occurrence:
Congo 
Size:
bis zu 1.3cm 
Temperature:
°C - 27°C 
Food:
azooxanthellat, nonphotosynthetic 
Difficulty:
There are no reports available yet that this animal has already been kept in captivity successfully 
Offspring:
None 
Toxicity:
Toxic hazard unknown 
CITES:
Not evaluated 
Related species at
Catalog of Life
:
  • Complexum caparti
  • Complexum globosum
  • Complexum gruveli
  • Complexum laxum
  • Complexum miniatum
  • Complexum monodi
  • Complexum patulum
  • Complexum pobeguini
  • Complexum strictum
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2015-04-11 18:18:36 

Husbandry

Van Ofwegen, Aurelle & Sartoretto, 2014

Very special thanks for the first photo of Complexum pusillum to Dr. Stéphane Sartoretto, who gave us the permission to use the photos for thi new soft coral.

This species was found in Pointe Noire, Congo, in a depth of ten meters on a rock.

"The new species was initially thought to be a member of the genus Alcyonium, but a genetic study revealed it to be separate from the majority of species in the genus, though it is closely related to a group of other species from the west coast of Africa. For this reason a new genus is erected, Complexum, for this and other species from West Africa formerly assigned to Alcyonium. The name Complexum means complex, a reference to the complex tubercles on the spindle elements of the skeletons of this genus. The species is given the specific name pusillum, meaning ‘tiny’ in reference to the size of its colonies.

Complexum pusillum forms tiny lobe-like colonies on rocks 5-20 m deep between the outflow of the Congo River and that of the Kouilou River. This is an area of high turbidity, with a high input of sediment and other material from the river – not an environment usually favoured by Corals. The polyps of the Coral are completely withdrawn, possibly as an adaptation to this high sediment input environment, so that is superficially resembles a Sponge more than a Coral"

Photos:
Complexum pusillum sp. n., Banc du Conflit, depth 10 m. A General view of a small patch of colonies on rocky bottom B Magnified view of some colonies C small piece of rock colonized by the new species, sponges (green arrow) and small stony corals (Polycyathus cf. senegalensis – red arrow).

Classification: Biota > Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Octocorallia (Subclass) > Alcyonacea (Order) > Alcyoniina (Suborder) > Alcyoniidae (Family) > Complexum (Genus) > Complexum pusillum (Species)

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