Diadumene lineata Image 10-Japan
Diadumene lineata from Tanabe City, Japan.
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Ruditapes philippinarum Image 10-color variants from Japan
Color variations from Ise Bay, Honshu Island, Japan.
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Littorina littorea Image 1 & Key
Littorina littorea collected at Foster City, San Francisco Bay. Note the thick shell, and the thick, white lip of the aperture.
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Littorina littorea Image 2
Littorina littorea at Ashby Spit, San Francisco Bay.
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Littorina littorea Image 3
Red-brown specimen of
Littorina littorea at Foster City, San Francisco Bay. Note the eroded white apex. The small white patches are a coralline alga growing on the snail's shell.
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Littorina littorea Image 6
Littorina littorea grazing a rock clear of the green alga
Ulva sp. (commonly known as Sea Lettuce); at Dumbarton Point, San Francisco Bay.
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Littorina littorea Image 8
Littorina littorea collected from Ashby Spit, San Francisco Bay.
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Littorina littorea Image 7
Some
Littorina littorea collected from Dumbarton Point, San Francisco Bay.
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Littorina littorea Image 5
Littorina littorea at Dumbarton Point, San Francisco Bay.
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Littorina littorea Image 4
Striped specimen of
Littorina littorea at Foster City, San Francisco Bay, with patches of coralline algae. Note the smoothly conical shell, with no shoulder where each whorl attaches to the preceding one.
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