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Pearson Ecological
  • Species ID
    • Amphibians
      • Frogs & Toads
        • Bullfrog
        • Coastal Tailed Frog
        • Green Frog
        • Northern Pacific Treefrog
        • Northern Red-legged Frog
        • Oregon Spotted Frog
        • Western Toad
      • Salamanders+Newts
        • Coastal Giant Salamander
        • Ensatina
        • Long-toed Salamander
        • Northwestern Salamander
        • Rough-skinned Newt
        • Western Red-backed Salamander
    • Freshwater Fish
      • Bass/Sunfish Family
        • Black Crappie
        • Largemouth Bass
        • Pumpkinseed
        • Smallmouth Bass
      • Catfish Family
        • Brown Catfish
      • Lamprey Family
        • Pacific Lamprey
        • River Lamprey
        • Western Brook Lamprey
      • Loach Family
        • Dojo Loach
      • Minnow Family
        • Brassy Minnow
        • Carp
        • Fathead Minnow
        • Goldfish
        • Leopard Dace
        • Longnose Dace
        • Nooksack Dace
        • Northern Pikeminnow
        • Peamouth
        • Redside Shiner
      • Salmon/Trout/Char
        • Bull Trout
        • Chinook Salmon
        • Chum Salmon
        • Coastal Cutthroat Trout
        • Coho Salmon
        • Dolly Varden
        • Pink Salmon
        • Rainbow Trout/Steelhead
        • Sockeye Salmon/Kokanee
      • Sculpin Family
        • Coast Range Sculpin
        • Cultus Pygmy Sculpin
        • Prickly Sculpin
      • Smelt Family
        • Eulachon
        • Longfin Smelt
      • Stickleback Family
        • Threespine Stickleback
      • Sturgeon Family
        • Green Sturgeon
        • White Sturgeon
      • Sucker Family
        • Largescale Sucker
        • Mountain Sucker
        • Salish Sucker
      • Whitefish
        • Mountain Whitefish
    • Invertebrates
      • Aquatic Earthworms
      • Bryozoan
      • Crustaceans
        • Aquatic Sow Bugs
        • Oregon Fairy Shrimp
        • Scuds
        • Signal Crayfish
      • Flatworms (Planarians)
      • Insects
        • Alderfly
        • Caddisflies
          • Common Netspinner Caddisflies
          • Freeliving Caddisflies
          • Northern Case Maker Caddisflies
        • Dragonflies/Damselflies
        • Mayflies
          • Ameletid Mayflies
          • Flatheaded Mayflies
          • Prong-gilled Mayflies
          • Small Minnow Mayflies
        • Stoneflies
        • True Flies
        • Water Beetles
      • Leeches
      • Mussels
        • Asian Clam
        • Fingernail Clams
        • Floaters
        • Western Pearlshell
      • Snails
        • Gilled Snails
        • Pouch Snails
      • Water Mites
    • Riparian Plants
  • Resources
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Photography: Fernando Lessa  • Website: Ayton Novak

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