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Isozoanthus primnoidus, a new species of zoanthid (Cnidaria: Zoantharia) associated with the gorgonian Callogorgia verticillata (Cnidaria: Alcyonacea)
Carreiro-Silva, M.; Braga-Henriques, A.; Sampaio, I.; de Matos, V.; Porteiro, F.M.; Ocaña, O. (2011). Isozoanthus primnoidus, a new species of zoanthid (Cnidaria: Zoantharia) associated with the gorgonian Callogorgia verticillata (Cnidaria: Alcyonacea). ICES J. Mar. Sci./J. Cons. int. Explor. Mer 68(2): 408-415. http://dx.doi.org/10.1093/icesjms/fsq073
In: ICES Journal of Marine Science. Academic Press: London. ISSN 1054-3139; e-ISSN 1095-9289, more
Peer reviewed article  
Available in  Authors | Dataset 
Keywords
    Deep sea
    Interspecific relationships > Parasitism
    Interspecific relationships > Symbiosis
    Alcyonacea [WoRMS]; Octocorallia [WoRMS]; Parazoanthidae Delage & Hérouard, 1901 [WoRMS]; Primnoidae Milne Edwards, 1857 [WoRMS]; Zoantharia [WoRMS]
    Marine/Coastal
Author keywords
    Cold-water corals; Octocoral; Zoanthid
Authors  Top | Dataset 
  • Carreiro-Silva, M.
  • Braga-Henriques, A.
  • Sampaio, I.
  • de Matos, V.
  • Porteiro, F.M., more
  • Ocaña, O.
Abstract
    In the Azores, Northeast Atlantic, an undescribed epizoan zoanthid is often found in association with the cold-water gorgonian Callogorgia verticillata at 110–800 m depth. This zoanthid was identified as a new species, Isozoanthus primnoidus sp. nov., based on morphological and anatomical characters of the polyps and type of cnidae. The distinguishing features of I. primnoidus are coenenchyme, column, and oral disc light brown, with short, translucent tentacles. Contracted polyps have column diameter up to 3 mm and height up to 2 mm. Ectoderm and outer mesogloea are densely encrusted with mineral particles and gorgonian sclerites. Capitulum bears a maximum of 14 distinctive ridges. Isozoanthus primnoidus was associated with 17% of C. verticillata colonies studied, and covered 14 ± 5% of the gorgonian colony. There was strong evidence of a parasitic relationship whereby I. primoidus progressively eliminates gorgonian tissue and uses the gorgonian axis for structure and support, and sclerites for protection.
Dataset
  • Institute of Marine Research (IMAR - Azores), Portugal; Department of Oceanography and Fisheries (DOP) - UAC, Portugal (2015): COLETA - IMAR/DOP-Uac reference collection from 1977 to 2012., more
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