Holothuria (Mertensiothuria) pervicax   Selenka,  1867 (Sea Cucumber)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Echinodermata
Class: Holothuroidea
Order:Aspidochirotida
Family:Holothuriidae

Description
Size: 70 mm to 120 mm

Color: The dorsal side is brown in colour with 5 to 7 honey colored transverse bands; the ventral side is lighter, mottled with white and light violet on a brown background; The cloacal opening is surrounded by a dark violet ring with some portion of the inner cloacal wall of the same colour.

Sub-cylindrical in shape. The dorsal and ventral sides are well differentiated. On the ventral side there are a number of pedicels arranged closely; papillae scattered on the dorsal side. The tentacles are ventral in position. Cuvierian tubules are thick. Calcareous ring is of the usual type. There is a single large polian vescicle and a single stone canal.

Spicules consist of incomplete and oblong rods with lateral projections resembling narrow rosettes, include tables with oval to squarish disc, spine often reduced to one rod, buttons with pairs of small and large holes. Each disc has big hole at the base of each slender spire; supplementary holes are also present. The edge of the disc is smooth. The spire has a cross beam and is incomplete and ends in four simple teeth; spire is rudimentary and the crowns have no transverse pieces; rosettes irregular and smooth; pedicels have well developed plates, but in the papillae they are rudimentary. Pedicels and papillae have bilateral fenestrated plates.


Synonym (s)
Holothuria pervicax Selenka 1867
Holothuria (Mertensiothuria) pervicax Clark and Rove 1917

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Reef Associated, Coastal

Biogeography


• Lakshadweep, Minicoy Island INDIA
• SRI LANKA (Record: 1971)
• Lakshadweep, Chettalatt INDIA
• Andaman and Nicobar Islands, Port Blair INDIA
• INDIA
• Lakshadweep, Minicoy INDIA

Literature Source(s)
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Mukhopadhyay, SK (1991) Echinodermata: Holothurioidea State fauna series 2: Fauna of Lakshadweep ZSI, Calcutta 399-413 Available at - NIO, Goa
  • Kumara, PBTP; Cumaranathunga, PRT and Linden, O (2005) Present status of the sea cucumber fishery in southern Sri Lanka: A resource depleted industry SPC Beche-de-mer Information Bulletin 22 24-29 Available at - http://www.spc.int/Coastfish/news/BDM/22/Terney.pdf
  • James, DB (1995) Taxonomic studies of the species of Holothuria (Linnaeus, 1767) from the seas around India. Part 1 Journal of the Bombay Natural History Society Bombay Natural History Society 92(1) 43-62 Available at - http://eprints.cmfri.org.in/7434/1/449-J._BOMBAY_NAT.HISTORY_SOC_1995.pdf
  • Sastry, DRK (2007) Echinodermata of India : An annotated list Records of Zoological Survey of India Occassional paper No. 271 ZSI, Kolkata 1-387 Available at - http://zsi.gov.in/checklist/Echinodermata_India_Checklist.pdf
  • 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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