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Didemnum vexillum - Shilshole Bay, Washington, Images



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January 22, 2010
Image RG_SHB_WA032
Image RG_SHB_WA032.

Image RG_SHB_WA032.  Tunicate colony of Didemnum vexillum encrusting metal pier support and forming lobes.  Location is approximately 37 m from shore on north side of pier wall adjacent to boat launch at northern end of Shilshole Bay Marina, Seattle, WA (47 deg 41.231 min N lat; 122 deg 24.266 min W lat).  Water depth 3-4 m at MLLW.  January 22, 2010.  Observer:  Rhoda Green.  Photo credit:  Rhoda Green.  Map location no. 81.
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Image RG_SHB_WA033
Image RG_SHB_WA033.

Image RG_SHB_WA033.  Tunicate colony of Didemnum vexillum encrusting metal pier support and growing around but not over attached anemones.  Location is approximately 37 m from shore on north side of pier wall adjacent to boat launch at northern end of Shilshole Bay Marina, Seattle, WA (47 deg 41.231 min N lat; 122 deg 24.266 min W lat).  Water depth 3-4 m at MLLW.  January 22, 2010.  Observer:  Rhoda Green.  Photo credit:  Rhoda Green. Map Location no. 81.
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Image RG_SHB_WA034
Image RG_SHB_WA034.

Image RG_SHB_WA034.  Tunicate colony of Didemnum vexillum encrusting and hanging from wooden pier.  Location is approximately 37 m from shore on north side of pier wall adjacent to boat launch at northern end of Shilshole Bay Marina, Seattle, WA (47 deg 41.231 min N lat; 122 deg 24.266 min W lat).  Water depth 3-4 m at MLLW.  January 22, 2010.  Observer:  Rhoda Green.  Photo credit:  Rhoda Green. Map Location no. 81.
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Image RG_SHB_WA035
Image RG_SHB_WA035.

Image RG_SHB_WA035.  Tunicate colony of Didemnum vexillum on pier and forming lobes; note bases of some lobes have thinned.  Location is approximately 37 m from shore on north side of pier wall adjacent to boat launch at northern end of Shilshole Bay Marina, Seattle, WA (47 deg 41.231 min N lat; 122 deg 24.266 min W lat).  Water depth 3-4 m at MLLW.  January 22, 2010.  Observer:  Rhoda Green.  Photo credit:  Rhoda Green. Map Location no. 81.
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Image RG_SHB_WA036
Image RG_SHB_WA036.

Image RG_SHB_WA036.  Tunicate colony of Didemnum vexillum on pier, forming small lobes, and growing around but not over barnacle and attached anemones.  Location is approximately 37 m from shore on north side of pier wall adjacent to boat launch at northern end of Shilshole Bay Marina, Seattle, WA (47 deg 41.231 min N lat; 122 deg 24.266 min W lat).  Water depth 3-4 m at MLLW.  January 22, 2010.  Observer:  Rhoda Green.  Photo credit:  Rhoda Green. Map Location no. 81.
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March 23, 2007
Image JN_SHB_WA020
Image JN_SHB_WA020.

Image JN_SHB_WA020. Tunicate colony of Didemnum vexillum encrusting wooden pier wall and surrounding base of anemone. Location is approximately 37 m from shore on north side of pier wall adjacent to boat launch at northern end of Shilshole Bay Marina, Seattle, WA (47 deg 41.231 min N lat; 122 deg 24.266 min W lat). Water depth 3-4 m at MLLW. March 23, 2007. Observer: Janna Nichols. Photo credit: Janna Nichols. Map Location no. 81.
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Image JN_SHB_WA021
Image JN_SHB_WA021.

Image JN_SHB_WA021. Tunicate colonies of Didemnum vexillum encrusting wooden pier wall and being removed by scraping. See Image JN_SHB_WA020. Location is approximately 37 m from shore on north side of pier wall adjacent to boat launch at northern end of Shilshole Bay Marina, Seattle, WA (47 deg 41.231 min N lat; 122 deg 24.266 min W lat). Water depth 3-4 m at MLLW. March 23, 2007. Observers: Janna Nichols and Rhoda Green. Photo credit: Janna Nichols. Map Location no. 81.
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Image JN_SHB_WA022
Image JN_SHB_WA022.

Image JN_SHB_WA022. Wooden pier wall after removal of colonies of Didemnum vexillum. Compare to Images JN_SHB_WA020 and JN_SHB_WA021. Location is approximately 37 m from shore on north side of pier wall adjacent to boat launch at northern end of Shilshole Bay Marina, Seattle, WA (47 deg 41.231 min N lat; 122 deg 24.266 min W lat). Water depth 3-4 m at MLLW. March 23, 2007. Observers: Janna Nichols and Rhoda Green. Photo credit: Janna Nichols. Map Location no. 81.
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March 14, 2007
Image JN_SHB_WA012
Image JN_SHB_WA012.

Image JN_SHB_WA012. Tunicate colony of Didemnum vexillum encrusting wooden pier wall, beginning to form lobes, and surrounding base of anemone. Location is approximately 37 m from shore on north side of pier wall adjacent to boat launch at northern end of Shilshole Bay Marina, Seattle, WA (47 deg 41.231 min N lat; 122 deg 24.266 min W lat). Water depth 3-4 m at MLLW. March 14, 2007. Observer: Janna Nichols. Photo credit: Janna Nichols. Map Location no. 81.
Click here to download image.

Image JN_SHB_WA013
Image JN_SHB_WA013.

Image JN_SHB_WA013. Tunicate colony of Didemnum vexillum encrusting wooden pier wall; colony lobes surrounding base of anemone. Close-up of colony in Image JN_SHB_WA012. Location is approximately 37 m from shore on north side of pier wall adjacent to boat launch at northern end of Shilshole Bay Marina, Seattle, WA (47 deg 41.231 min N lat; 122 deg 24.266 min W lat). Water depth 3-4 m at MLLW. March 14, 2007. Observer: Janna Nichols. Photo credit: Janna Nichols. Map Location no. 81.
Click here to download image.

Image JN_SHB_WA014
Image JN_SHB_WA014.

Image JN_SHB_WA014. Tunicate colony of Didemnum vexillum encrusting wooden pier wall and forming lobes. Note colony overgrowth of anemone. Close-up of colony in image JN_SHB_WA012. Location is approximately 37 m from shore on north side of pier wall adjacent to boat launch at northern end of Shilshole Bay Marina, Seattle, WA (47 deg 41.231 min N lat; 122 deg 24.266 min W lat). Water depth 3-4 m at MLLW. March 14, 2007. Observer: Janna Nichols. Photo credit: Janna Nichols. Map Location no. 81.
Click here to download image.

Image JN_SHB_WA015
Image JN_SHB_WA015.

Image JN_SHB_WA015. Tunicate colony of Didemnum vexillum encrusting wooden pier wall and surrounding base of anemone. Colony is loosely attached to wood and is approximately 0.6 m in diameter. Location is approximately 37 m from shore on north side of pier wall adjacent to boat launch at northern end of Shilshole Bay Marina, Seattle, WA (47 deg 41.231 min N lat; 122 deg 24.266 min W lat). Water depth 3-4 m at MLLW. March 14, 2007. Observer: Janna Nichols. Photo credit: Janna Nichols. Map Location no. 81.
Click here to download image.

Image JN_SHB_WA016
Image JN_SHB_WA016.

Image JN_SHB_WA016. Tunicate colony of Didemnum vexillum encrusting wooden pier wall showing oral siphons of zooids, cloacal canal system, and large cloacal apertures. Close-up of Image JN_SHB_WA015. Location is approximately 37 m from shore on north side of pier wall adjacent to boat launch at northern end of Shilshole Bay Marina, Seattle, WA (47 deg 41.231 min N lat; 122 deg 24.266 min W lat). Water depth 3-4 m at MLLW. March 14, 2007. Observer: Janna Nichols. Photo credit: Janna Nichols. Map Location no. 81.
Click here to download image.

Image JN_SHB_WA017
Image JN_SHB_WA017.

Image JN_SHB_WA017. Tunicate colony of Didemnum vexillum encrusting wooden pier wall and surrounding base of anemone Location is approximately 37 m from shore on north side of pier wall adjacent to boat launch at northern end of Shilshole Bay Marina, Seattle, WA (47 deg 41.231 min N lat; 122 deg 24.266 min W lat). Water depth 3-4 m at MLLW. March 14, 2007. Observer: Janna Nichols. Photo credit: Janna Nichols. Map Location no. 81.
Click here to download image.

Image JN_SHB_WA018
Image JN_SHB_WA018.

Image JN_SHB_WA018. Tunicate colony of Didemnum vexillum encrusting wooden pier wall and surrounding base of anemone Close-up of Image JN_SHB_WA017. Location is approximately 37 m from shore on north side of pier wall adjacent to boat launch at northern end of Shilshole Bay Marina, Seattle, WA (47 deg 41.231 min N lat; 122 deg 24.266 min W lat). Water depth 3-4 m at MLLW. March 14, 2007. Observer: Janna Nichols. Photo credit: Janna Nichols. Map Location no. 81.
Click here to download image.

Image JN_SHB_WA019
Image JN_SHB_WA019.

Image JN_SHB_WA019. Tunicate colony of Didemnum vexillum encrusting wooden pier wall and forming lobes. Note fragment of lobe separating from the colony and attached only by thin thread of tissue. Location is approximately 37 m from shore on north side of pier wall adjacent to boat launch at northern end of Shilshole Bay Marina, Seattle, WA (47 deg 41.231 min N lat; 122 deg 24.266 min W lat). Water depth 3-4 m at MLLW. March 14, 2007. Observer: Janna Nichols. Photo credit: Janna Nichols. Map Location no. 81.
Click here to download image.

September 24, 2006
Image RG_SHB_WA010
Image RG_SHB_WA010.

Image RG_SHB_WA010. Tunicate colony of Didemnum vexillum encrusting wooden pier wall and forming lobes. Location is approximately 37 m from shore on north side of pier wall adjacent to boat launch at northern end of Shilshole Bay Marina, Seattle, WA (47 deg 41.231 min N lat; 122 deg 24.266 min W lat). Water depth 3-4 m at MLLW. September, 24, 2006. Observer: Rhoda Green. Photo credit: Rhoda Green. Map Location no. 81.
Click here to download image.

Image RG_SHB_WA011
Image RG_SHB_WA011.

Image RG_SHB_WA011. Tunicate colony of Didemnum vexillum encrusting wooden pier wall. Note crab on colony surface. Close-up of colony in Image RG_SHB_WA010. Location is approximately 37 m from shore on north side of pier wall adjacent to boat launch at northern end of Shilshole Bay Marina, Seattle, WA (47 deg 41.231 min N lat; 122 deg 24.266 min W lat). Water depth 3-4 m at MLLW. September, 24, 2006. Observer: Rhoda Green. Photo credit: Rhoda Green. Map Location no. 81.
Click here to download image.

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