Upper Muddy River images - Joel Sartore

Photo: Moapa dace (Moapa coriacea) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

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Moapa dace (Moapa coriacea) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

Photo: Moapa dace (Moapa coriacea) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

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Moapa dace (Moapa coriacea) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

Photo: Moapa dace (Moapa coriacea) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

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Moapa dace (Moapa coriacea) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

Photo: Moapa White River springfish (Crenichthys baileyi moapae) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

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Moapa White River springfish (Crenichthys baileyi moapae) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

Photo: Moapa White River springfish (Crenichthys baileyi moapae) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

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Moapa White River springfish (Crenichthys baileyi moapae) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

Photo: Virgin River chub (Gila seminuda) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

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Virgin River chub (Gila seminuda) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

Photo: Virgin River chub (Gila seminuda) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

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Virgin River chub (Gila seminuda) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

Photo: Virgin River chub (Gila seminuda) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

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Virgin River chub (Gila seminuda) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

Photo: Virgin River chub (Gila seminuda) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

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Virgin River chub (Gila seminuda) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

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

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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.

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

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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.

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

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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.

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

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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.

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

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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.

A Moapa River snail (Pyrgulopsis sp.) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

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A Moapa River snail (Pyrgulopsis sp.) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

Photo: Two batman bugs or Moapa Warm Springs naucorid (Limnocoris moapensis) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

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Two batman bugs or Moapa Warm Springs naucorid (Limnocoris moapensis) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

Photo: Two batman bugs or Moapa Warm Springs naucorid (Limnocoris moapensis) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

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Two batman bugs or Moapa Warm Springs naucorid (Limnocoris moapensis) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

Photo: Two batman bugs or Moapa Warm Springs naucorid (Limnocoris moapensis) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

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Two batman bugs or Moapa Warm Springs naucorid (Limnocoris moapensis) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

Red shiner (Cyprinella lutrensis) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

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Red shiner (Cyprinella lutrensis) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

Red shiner (Cyprinella lutrensis) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

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Red shiner (Cyprinella lutrensis) at Warm Springs Natural Area, Upper Muddy River, NE Clark County, Nevada.

Photo: Julie Jensen Director of Marketing | WVC O: 866.800.7326 | D: 702.443.9249 | E: j.jensen@wvc.org

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