ECHINODERMATA : Dendrochirotida : CucumariidaeSTARFISH, SEA URCHINS, ETC.

Pawsonia saxicola (Brady & Robertson, 1871)


 image: pawsax
Pawsonia saxicola

Description: A white smooth-skinned body and dark blotched tentacles emerging from a crevice are the characteristic features of this sea cucumber. There are five distinct double rows of long tube-feet.The spicules consist of flat rhombic plates with four holes, occasionally with two extra holes one at each end. 15cm in length, tentacles 10cm.

Habitat: Lives in rock crevices and beneath boulders in shallow water and on the lower shore. Common from the lower shore to the circalittoral zone.

Distribution: Found on all western coasts of the British Isles.

Similar Species: The tentacles of Aslia lefevrei are very similar and these two species often occur together. The white body is distinctive.

Key Identification Features:

  • White body, tube-feet in rows.
  • Lives in crevices in rocks.
  • 10 mottled black tentacles.
  • Spicules flat with few holes.

Distribution Map from NBN: Pawsonia saxicola at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Pawsonia saxicola at iNaturalist World Species Observations database.

WoRMS: Pawsonia saxicola at World Register of Marine Species. Accepted name: Pawsonia saxicola (Brady & Robertson, 1871). AphiaID: 124653.

Classification: Biota; Animalia; Echinodermata; Echinozoa; Holothuroidea; Actinopoda; Dendrochirotida; Cucumariidae; Pawsonia

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 Picton, B.E. & Morrow, C.C. (2024). Pawsonia saxicola. (Brady & Robertson, 1871). [In] Encyclopedia of Marine Life of Britain and Ireland.
https://www2.habitas.org.uk/marbiop-ni/speciesaccounts.php?item=ZB4740. Accessed on 2024-07-04