Cetemaco Lake near Vera Cruz, Mexico (1)

Cannery Point, Point Lobo, Monterey, CA (2)

Ergaja sp. Ghana (West Africa) (3)

Flores Lake, Guatemala (4)

Guatemala (5)

Melanoides sp. Solomon Islands (6)

Rio de la Plata Delta, Uruguay (7)

+ 2400m, Salt River Pass, Wyoming (8)

Thiara sp., Amazonas River, Brasilien (9)

+ 1400 m, Zion Canyon, Utah (10)