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Scientific name: Polycera quadrilineata
Common name: Four-line crowned nudibranch
Taxonomy
Phyulm Sub Phylum Class Sub Class Order Sub Order Family Sub Family Genus Species
Mollusca Not Defined Gastropoda Opisthobranchia Nudibranchia Doridina Polyceridae Polycerinae Polycera Polycera quadrilineata

 

Short Description:

The four-lined crowned nudibranch is a smooth-bodied variably coloured nudibranch. The ground colour is white or grey and there are usually black and yellow longitudinally along the notum, though these can be absent. The head has six yellow projections. The gills and rhinophores are black, and may be spotted with yellow. Alongside the gills is a pair of yellow projections. 

Identification
features:
The four-lined crowned nudibranch is possibly a different species of Polycera, closely related to the crowned nudibranch Polycera capensis.
They can be separated by yellow lines between the black lines on the notum. The black lines may or may not be present to a variable degree in both species
Size: 20mm
Behaviour:
Diet: Unknown
Distribution: This species is found off the South African coast from the Atlantic coast of the Cape Peninsula to Algoa Bay.
Depth: Intertidal zone to 20m
Habitat: Rocky reefs 
Reference:
  • Wikipedia, the free encyclopedia
    www.wikipedia.org/ 
  • Southern Underwater Research Group
    http://www.surg.co.za/
  • Nudibranchs of Southern Africa
    (a guide to opistobranch molluscs of Southern Africa)
    Terrence Gosliner
  • Nudibranchs of the Cape Peninsula and False Bay
    Guido Zsilavecz
  • A field guide to the Marine Animals of the Cape Peninsula
    Georgina Jones
Similar Species:

Database Statistics
(Click on the links for more information)
Photographer Date City Area Dive site Temp Size Depth Camera Photo Video
Gerhard Naude-(Port Elizabeth) 2015-12-30 Port Elizabeth Algoa Bay (PE-AB)-Phillips Reef 17 15mm 11m Olympus SP550UZ photo
Gerhard Naude-(Port Elizabeth) 2015-12-30 Port Elizabeth Algoa Bay (PE-AB)-Phillips Reef 17 15mm 11m Olympus SP550UZ photo
Jaco Koekemoer-(Port Elizabeth ) 2015-12-30 Port Elizabeth Algoa Bay (PE-AB)-Phillips Reef 17 15mm 11m Olympus SP550UZ photo
Jaco Koekemoer-(Port Elizabeth ) 2015-12-30 Port Elizabeth Algoa Bay (PE-AB)-Phillips Reef 17 15mm 11m Olympus SP550UZ photo
Jaco Koekemoer-(Port Elizabeth ) 2015-12-30 Port Elizabeth Algoa Bay (PE-AB)-Phillips Reef 17 15mm 11m Olympus SP550UZ photo
 
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eastern cape scuba diving