Polycarpa_aurata

<i>Polycarpa aurata</i>

Polycarpa aurata

Species of sea squirt

Polycarpa aurata, also known as the ox heart ascidian, the gold-mouth sea squirt or the ink-spot sea squirt, is a species of tunicate in the family Styelidae.

Quick Facts Polycarpa aurata, Scientific classification ...
Gold-mouth sea squirt.

Description

Polycarpa aurata grows to a height of 5 to 15 cm (2 to 6 in). It has an urn-shaped, hollow body with two siphons, one at the top and the other on the side. The body colour of this tunicate is white with purple and orange patches and purple lines. The inside is yellow or orange and this is visible around the rim of the siphons.[2][3]

Distribution

This species is found in the tropical eastern Indian Ocean and the western Pacific Ocean. Its range includes the Philippines, Indonesia and northern Australia. Its depth range is 5 to 50 m (16 to 164 ft).[2]

Biology

Tunicates feed by drawing water in through the branchial siphon at the top, filtering out phytoplankton, bacteria and other food particles, before expelling the water through the atrial siphon at the side. hydroids and algae may grow on the outside of the tunicate[2] and nudibranchs such as Nembrotha lineolata sometimes feed on them.[4]

References

  1. [1]
    Karen Sanamyan (2012). Shenkar N, Gittenberger A, Lambert G, Rius M, Moreira Da Rocha R, Swalla BJ, Turon X (eds.). "Polycarpa aurata". Ascidiacea World Database. World Register of Marine Species. Retrieved May 24, 2012.
  2. [2]
    "Polycarpa aurata" (in French). Sous les Mers. Retrieved January 12, 2015.
  3. [3]
    Polycarpa aurata. Komodo National Park, Indonesia.
  4. [4]
    Rudman, W. B. (15 July 2010). "Nembrotha lineolata Bergh, 1905". Sea Slug Forum. Australian Museum. Retrieved January 12, 2015.
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