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Index of flora
Index of fauna
Kingdom Animale | Phylum Chordata | Subphylum Urochordata
  Photo by Tan Bee HongSea Squirt
Polycarpa
Order Ascidiacea


Solitary ascideans are reef and rocky shore dwellers. They have two openings, one for the inhalent current where plankton-rich water is drawn in, and the other for the exhalent. When squeezed, water shoots out of the exhalent opening, hence their common name. (Length up to 8cm).
Introduction
Shore environment
 
From A Guide to Seashore Life by Dr Leo W H Tan and Peter K L Ng
Published by the Singapore Science Centre and sponsored by BP

@Raffles Museum of Biodiversity Research and Singapore Science Centre