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Scientific name: Pseudodistoma digitum sp1
Common name: Pienk digitum ascidian
Phyulm Sub Phylum Class Sub Class Order Sub Order Family Sub Family Genus Species
Chordata Tunicata Ascidiacea Not Defined Aplousobranchia Not Defined Pseudodistomidae Not Defined Pseudodistoma Pseudodistoma digitum sp1


Short Description:

The colonies consist of a short basal primary trunk with secondary branches or stalks.The zooids open onto the upper parts of the secondary branches. These are divided into finger-like tertiary branches .The finger-like branches form clumps and have a uniform appearance; these clumps are crowded together and seem toradiate from the centre of the colony. Sand is absent externally but present in the basal and central test of the upper parts of the colony. The test is firm throughout. Living colonies are red in colour due to the red zooids visible through the smooth opaque surface test . The test between the zooids has a light red or pinkish colour and may turn dull and milky when the specimen is removed from the water.

A section through the lobes of a fresh specimen shows a 2 - 3 mm surface layer that is orange or reddish in colour.  
Size: Colonies are 5 - 20 cm in diameter and 10-15cm high and the branches that are up to 5 cm long and 1.5 cm in diameter
Diet: Filterfeeder 
Distribution: Mozambique to Knysna
Depth: 10-20m
Habitat: Rocky reefs
  • Aplousobranch ascidians (Tunicata Ascidiacea) from southern Africa.
    S. Parker-Nance. Ph.D. 2003.
Similar Species:

Database Statistics
(Click on the links for more information)
Photographer Date City Area Dive site Temp Size Depth Camera Photo Video
Analize de Vries-(Port Elizabeth) 2010-05-22 Port Elizabeth Wildside (PE-WS)-Mark 4 The wall 11 110mm 12m Sony DSC-W170 photo
Johan Swanepoel-(Port Elizabeth) 2008-12-13 Port Elizabeth Wildside (PE-WS)-Scotsmans Reef/Moonie 14 300mm 10m Olympus SP560UZ photo
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eastern cape scuba diving