2. Invasive Tunicates

Ciona savignyi - Hood Canal, Puget Sound, WA

Invasive tunicate Ciona savignyi crops up in locations around Puget Sound, Hood Canal, and elsewhere in Washington. Photos by Janna Nichols. email pnwfishlady@comcast.net for permission and terms of use.
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October 2006 - Ciona, depth 72 feet, found at Sund Rock North Wall. Although much of the life in South Hood Canal is dead or stressed from the mid Sept low dissolved oxygen event, Ciona appears to be doing well and thriving under these conditions. - Photo by Janna Nichols
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October 2006 - Ciona, depth 72 feet, found at Sund Rock North Wall. Although much of the life in South Hood Canal is dead or stressed from the mid Sept low dissolved oxygen event, Ciona appears to be doing well and thriving under these conditions. - Photo by Janna Nichols

cionasavignyiinvasivetunicateunionwashingtonjanna nichols

  • April 2006, Union, Hood Canal: A large Spiny Pink Star makes its way through the vast fields of Ciona savignyi. Photo by Janna Nichols
  • April 2006, Union, Hood Canal: Ciona savignyi at the base of a Plumose Anemone. Photo by Janna Nichols.
  • April 2006, Union, Hood Canal: A Spiny Pink Star surrounded by Ciona savignyi. Photo by Janna Nichols
  • April 2006, Union, Hood Canal: A cluster of Ciona savignyi. Photo by Janna Nichols
  • April 2006, Union, Hood Canal: A Tube Dwelling Anemone is flanked by Ciona savignyi. Photo by Janna Nichols.
  • September 2006 - Sund Rock North Wall, photo by Janna Nichols. Ciona savignyi
  • October 2006 - Sund Rock North Wall - A clump of Ciona individuals in about 60 feet of water. Photo by Janna Nichols
  • October 2006 - Ciona, depth 72 feet, found at Sund Rock North Wall. Although much of the life in South Hood Canal is dead or stressed from the mid Sept low dissolved oxygen event, Ciona appears to be doing well and thriving under these conditions. - Photo by Janna Nichols
  • October 2006, Sund Rock: This clump at 74 feet was the deepest patch.
  • October 2006, Sund Rock: Shot of a smaller section of the same rock 'before'.
  • October 2006, Sund Rock: Measuring stick is in 10cm increments.
  • 3/14/07 - Des Moines Marina covered dock area.
  • 3/14/07 - Ciona savignyi on the sides of the covered docks in Des Moines Marina.
  • 3/14/07 - Des Moines Marina covered dock area.
  • July 2007, near Tahuya, Hood Canal: Mega population explosion of Ciona savignyi
  • July 2007, near Tahuya, Hood Canal: Mega population explosion of Ciona savignyi
  • July 2007, near Tahuya, Hood Canal: Mega population explosion of Ciona savignyi
  • July 2007, near Tahuya, Hood Canal: Mega population explosion of Ciona savignyi
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