1. Invasive Tunicates

Styela clava - Invasive Club Tunicate

All photos by Janna Nichols and may be used with permission: pnwfishlady@comcast.net
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©Janna Nichols, Styela clava, invasive Club Tunicate, Cressy Beach, Massachusetts
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©Janna Nichols, Styela clava, invasive Club Tunicate, Cressy Beach, Massachusetts

Styela clava

  • ©Janna Nichols, Styela clava, invasive Club Tunicate, Cressy Beach, Massachusetts
  • ©Janna Nichols, Styela clava, invasive Club Tunicate, Cressy Beach, Massachusetts
  • ©Janna Nichols, Styela clava, invasive Club Tunicate, Cressy Beach, Massachusetts
  • ©Janna Nichols, Styela clava, invasive Club Tunicate, Cressy Beach, Massachusetts
  • ©Janna Nichols, Styela clava, invasive Club Tunicate, Cressy Beach, Massachusetts
  • ©Janna Nichols, Styela clava, invasive Club Tunicate, Cressy Beach, Massachusetts
  • ©Janna Nichols, Styela clava, invasive Club Tunicate, Cressy Beach, Massachusetts
  • ©Janna Nichols, Styela clava, invasive Club Tunicate, Cressy Beach, Massachusetts
  • ©Janna Nichols, Styela clava, invasive Club Tunicate, Cressy Beach, Massachusetts
  • ©Janna Nichols, Styela clava, invasive Club Tunicate, Cressy Beach, Massachusetts
  • ©Janna Nichols, Styela clava, invasive Club Tunicate, Cressy Beach, Massachusetts
  • L to R: Thanks to Don Coleman, Janna Nichols (me), Glen Marquardt, Jake Rufer, Arline Fullerton and Valerie Lyttle for surveying under the boats in Pleasant Harbor on March 20th, 2007.
  • March 8th, 2007 - Pleasant Harbor Marina Dock B, many fouling propeller of boat.
  • March 8th, 2007 - Pleasant Harbor Marina Dock B
  • March 8th, 2007 - Pleasant Harbor Marina Dock B
  • March 8th, 2007 - Pleasant Harbor Marina Dock B. Invasive Styela mixes in with native Corella inflata (the clear tunicates).
  • March 8th, 2007 - Pleasant Harbor Marina Dock B. Many found on propeller area.
  • March 8th, 2007 - Pleasant Harbor Marina Dock D, Keel of boat
  • March 8th, 2007 - Pleasant Harbor Marina Dock D, 2 on keel of boat.
  • April 25th, 2006 - Styela clava covered with teeny little caprellids feeding on detritus on the tunic of the Styela. Photo by Janna Nichols
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