Invertebrates Flora Botanical gardens Civil societies Sri Lanka is a tropical island situated close to the southern tip of India.
Echinoderms are characterized by having a water vascular system, tube feet, radial symmetry, and undergo complete regeneration from a single limb.
[11] Many species are edible and economically important, whereas some researches about sea cucumbers in the coastal waters of Sri Lanka have been documented.
Dissanayake and Gunnar Stefansson compiled a research on the abundance and distribution of commercial sea cucumber species in the coastal waters of Sri Lanka.
[21] Another research was carried out from May 2014 to June 2015 in Viyaparimuli and Munnai to identify the species composition and diversity of sea cucumber population in the Point Pedro coastal area of Jaffna peninsula.
[23][24] In 2017, the status of holothurian fisheries in Mullaitivu coastal waters in the North-East region of Sri Lanka was documented.
[27][28][29] Researches on sea lily or feather star diversity of Sri Lankan waters have been very limited when compared with other echinoderm classes.