Holothuria (Semperothuria) imitans   Ludwig,  1875 (Sea Cucumber)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Echinodermata
Class: Holothuroidea
Order:Aspidochirotida
Family:Holothuriidae

Image copyrights: R.P. Deepa & A. Biju Kumar

Description
Color: Yellow to yellowish-brown.

Body elongated and cylindrical with distinct anterior and posterior ends. Podia scattered as small black warts on dorsal surface. Ventral surface well demarcated with thick arrangement of pedicels in three rows, clearly visible even in preserved specimen. Mouth ventral, surrounded by 20 grey coloured tentacles. Anus large, without anal teeth. Body wall thick, leathery and body circular in cross-section. Two respiratory trees and a single tuft of gonadial tubules attached to the left side of dorsal mesentery. Calcareous ring well developed; posterior side of radial plates convex; anterior side with well marked notch; interradial plates with posterior side undulating; anterior side with one anterior tooth. Stone canal absent. Ossicles of dorsal and ventral body wall comprise of tables. Tables of ventral surface slightly shorter than dorsal surface. Tables supported by four pillars. The disc of the table with four lateral holes surrounding a large central hole. Crown with eight short spines, the pairs of spines on each pillar lie closer. Tube feet with elongated rods, tables with large perforated plates. The rods perforated, resembles large buttons with holes arranged in pairs along central axis. The margin of rods rough, with small knobs. Tentacles with elongated unbranched and slightly curved with spinous ends.


Synonym (s)
Halodeima pseudo-imitans Cherbonnier, 1951
Holothuria (Semperothuria) imitans var. polymorpha Caso, 1962

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Rocky, Coastal

Biogeography


• SRI LANKA
• Kerala, Trivandrum, Vizhinjam Coast (Lat: 8.36) (Long: 76.98) INDIA (Depth: 2-3 mts)
• Lakshadweep Sea INDIA (Depth: 2-3 mts)

Literature Source(s)
  • Deepa, RP and Kumar, AB (2010) New records of the seacucumbers Holothuria (Semperothuria) imitans Ludwig and Stichopus herrmanni Semper (Echinodermata: Holothuroidea) from the southwestern coast of India Journal of Threatened Taxa Wildlife Information Liaison Development Society 2(2) 712-715 Available at - http://threatenedtaxa.org/ZooPrintJournal/2010/February/o225426ii10712-715.pdf
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • James, DB (1989) Echinoderms of Lakshadweep and their zoogeography Marine living resources of the union territory of Lakshadweep: An indicative survey with suggestions for development Bulletin of Central Marine Research Institute CMFRI 43 97-144 Available at - http://eprints.cmfri.org.in/8213/1/Bulletin_No_43.pdf

Page last updated on:2011-04-25

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