Balcones Spike (Fusconaia iheringi)

Balcones Spike (Fusconaia iheringi)

Balcones Spike (Fusconaia iheringi) | State & Federally Endangered Mollusk   Balcones Spike is an endangered freshwater mussel found in spring-fed streams and rivers of Central Texas. Of the 52 freshwater mussel species in Texas, 25% are found nowhere else in the world—including the Balcones Spike. Like other mussels, it has a uniq

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