Published March 25, 2019 | Version v1
Taxonomic treatment Open

Tripneustes gratilla subsp. gratilla gratilla (Linnaeus 1758

Description

Tripneustes gratilla gratilla (Linnaeus, 1758)

Material studied. WUSL/ER/276 (wet, denuded) from Silavathurai; WUSL/ER/277 (wet, with spines) and WUSL/ER/278 (wet, denuded) from Hiriketiya; WUSL/ER/279 (dry, denuded) from Polhena; WUSL/ER/280 (dry, denuded) from Hikkaduwa; WUSL/ER/281 (dry, denuded) from Ahangama.

Literature records for Sri Lanka. Walter (1885), Döderlein (1888), Clark (1915), Koehler (1927), Fernando (2006), Jayakody (2012).

Distribution in Sri Lanka. Southern, northern, and northwestern coasts of Sri Lanka.

Recorded depth range in Sri Lanka. 0.1– 12 m (present study).

Habitat. Mainly found on sandy bottoms among seagrass beds.

Observed occurrence in this study. Northern (Silavathurai), southern (Polhena, Hikkaduwa, Hiriketiya, Kirinda, Godawaya, Ahangama), and western coasts (Negombo) of Sri Lanka.

Remarks. Tripneustes gratilla gratilla is one of the most common shallow water species found among the seagrass beds of the southern coast of Sri Lanka. The colour of the primary spines varies from orange to white.

Notes

Published as part of Arachchige, Gayashan M., Jayakody, Sevvandi, Mooi, Rich & Kroh, Andreas, 2019, An annotated species list of regular echinoids from Sri Lanka with notes on some rarely seen temnopleurids, pp. 35-57 in Zootaxa 4571 (1) on page 48, DOI: 10.11646/zootaxa.4571.1.3, http://zenodo.org/record/2605940

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Linked records

Additional details

References

  • Walter, A. (1885) Ceylons Echinodermen. Jenaische Zeitschrift fur Naturwissenschaft Herausgegeben von der Medicinisch- Naturwissenschaftlichen Gesellschaft zu Jena, 18, 365 - 384.
  • Doderlein, L. (1888) Echinodermen von Ceylon. Bericht uber die von den Herren D res Sarasin gesammelten Asteroidea, Ophiuroidea und Echinoidea. Zoologische Jahrbucher, Abteilung fur Systematik, Geographie und Biologie der Tiere, 3, 821 - 846. https: // doi. org / 10.5962 / bhl. part. 1933
  • Clark, H. L. (1915) The echinoderms of Ceylon other than holothurians. Spolia Zeylanica, 10, 83 - 102.
  • Koehler, R. (1927) Echinoderma of the Indian Museum 10. An account of the Echinoidea. 3. Echinides reguliers. Trustees of the Indian Museum, Calcutta, 158 pp.
  • Fernando, M. (2006) Coral associated invertebrates: An overview of the current taxonomic status. In: Bambaradeniya, C. N. B. (Ed.), The Fauna of Sri Lanka. Section 3. Status of Marine Fauna in Sri Lanka. IUCN-The World Conservation Union, Gland and Cambridge, pp. 259 - 273.
  • Jayakody, S. (2012) Provisional checklist of sea urchins (Echinodermata: Echinoidea) of Sri Lanka. In: Weerakoon, D. K. & Wijesundara, S. (Eds.), The National Red List 2012 of Sri Lanka; Conservation Status of the Fauna and Flora. Ministry of Environment, Colombo, Sri Lanka, pp. 370 - 372.