Shell of a Giant Floater (Pyganodon grandis) freshwater mussel on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. The oxidation of iron deposits on the shell's nacre (the inner pearly layer) turns them into this characteristic rusty-orange or copper color. Texas
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📷 Shooting data
Sun 14 Dec 2025 08:22:29 - Exposure: 0.8 sec - Aperture: F/32. - Focal length: 100 mm - ISO 200
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Album 3789: College Station - Lake Somerville, Texas, December 13 - 14, 2025
