Trachasina crucifera   (Semper,  1869) (Sea Cucumber)
Organism information awaits expert curation
Class: Holothuroidea

Size: 24-38 mm; perforated plates of length 153-250 μm; Multilocular plates 155-200 μm; small cruciform plate 125-128 μm; curved rods of 150-190 μm

Color: Beige with dark pedicels in living condition; dark brown on dorsal and
light brown on ventral surfaces in preserved condition

Body slender, slightly curved, with rounded posterior end. Body wall moderately thick and leathery in texture, pentagonal. The podia and pedicels completely restricted to the ambulacral regions. Only two rows of podia arranged in irregular rows along the ambulacral regions. Tentacles 10 in number and dendritic. Calcareous ring with radials and interradials; anterior margin of each radial and interradial plate produced into long narrow projections; radials with a notch in the posterior margin and radials double the size of interradials.

Spicules from dorsal and ventral body wall include smooth swollen oval perforated plates resembling buttons. The oval perforated plates/buttons with wavy margin and holes almost of equal size arranged in a definite pattern. Spicules from pedicels consist of perforated plates and curved rods; dorsal podia with cruciform plates and tentacular spicules include elongated rods.

Synonym (s)
Cucumaria crucifera Semper, 1869
Trachythyone crucifera (Semper, 1896)

Common Name (s)
Economic Importance and Threats

Habitat:  Coastal


• Kerala, Vizhinjam INDIA (Record: 16/12/2010) (Depth: 10 mts)

Literature Source(s)
  • Deepa, RP and Kumar, AB (2011) New records of sea cucumbers Phyllophorus (Phyllothuria) cebuensis (Semper) and Trachasina crucifera (Semper) from the south-west coast of India Indian Journal of Fisheries Indian Council of Agricultural Research, Kochi, India 58(4) 101-104 Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

Page last updated on:2012-03-14

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