| March 23, 2007 |
Image JN_SHB_WA020. |
Image JN_SHB_WA020. Tunicate colony of Didemnum sp. 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. Tunicate colonies of Didemnum sp. 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. Wooden pier wall after removal of colonies of Didemnum sp. 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. Tunicate colony of Didemnum sp. 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.
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Image JN_SHB_WA013. |
Image JN_SHB_WA013. Tunicate colony of Didemnum sp. 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.
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Image JN_SHB_WA014. |
Image JN_SHB_WA014. Tunicate colony of Didemnum sp. 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.
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Image JN_SHB_WA015. |
Image JN_SHB_WA015. Tunicate colony of Didemnum sp. 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.
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Image JN_SHB_WA016. |
Image JN_SHB_WA016. Tunicate colony of Didemnum sp. 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.
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Image JN_SHB_WA017. |
Image JN_SHB_WA017. Tunicate colony of Didemnum sp. 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.
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Image JN_SHB_WA018. |
Image JN_SHB_WA018. Tunicate colony of Didemnum sp. 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.
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Image JN_SHB_WA019. |
Image JN_SHB_WA019.
Tunicate colony of Didemnum sp. 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.
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| September 24, 2006 |
Image RG_SHB_WA010. |
Image RG_SHB_WA010. Tunicate colony of Didemnum sp. 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.
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Image RG_SHB_WA011. |
Image RG_SHB_WA011. Tunicate colony of Didemnum sp. 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.
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U.S. Department of the Interior |
U.S. Geological Survey
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