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

Description
Size: 270-450 mm

Colour: the dorsal side is brownish-pink with some of the tubercles blackish brown. The ventral side is light brown, with spaces between the bands of the pedicels yellow.

Body is tubular. The posterior region is bulged and blunt with the anterior end narrow. A number of projections are found on the dorsal side; some are 20 mm in length, not arranged in order; on the mid-dorsal region there is a double row of tubercles; The projections at the sides are not distinctly arranged as a row; On the ventral side, there are four bands of pedicels. In each band there are five or six pedicels arranged side by side. Radials large with a deep notch at the anterior end, the posterior end straight; Inter-radials half the height of the radials and have a concavity at the posterior margin; single stone canal and a single polian vesicle.
The spicules consist of only tables in the body wall. Margins of the tables spiny with four large holes at the centre and a number of small holes around the margin. Tables short and end in about 10 short spines.


Synonym (s)

Common Name (s)
Economic Importance and Threats
Importance:  Commercial
(Used and exploited in Beche-de-mer industry)

Ecology
Habitat:  Rocky, Coastal

Biogeography


• Andaman and Nicobar Islands, Andaman Islands INDIA
• INDIA
• Andaman and Nicobar Islands, South Andaman, Wandoor INDIA
• Andaman and Nicobar Islands, Havelock 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
  • 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 (1986) Studies on Indian Echinoderms-12. Holothuria (Acanthotrapeza) pyxis Selenka, an interesting Holothurian from the Andamans Journal of the Andaman Science Association Andaman Science Association, Port Blair 2(1) 34-36 Available at - NIO, Goa

Page last updated on:2011-06-16

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