Joel Sartore Joel Sartore

National Geographic Photographer and Speaker

Photo: Blue tilapia or Israeli tilapia (Oreochromis aureus) covered with parasitic hookworms at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

FIS027-00117

Blue tilapia or Israeli tilapia (Oreochromis aureus) covered with parasitic hookworms at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada. This is an invasive species.

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