September 25, 2026

My Progress on Observing every California Native Freshwater Fish Species

Not all of these observations have been posted on iNaturalist.

Key:

  • ✪ = First observation in Native range
  • * = Introduced population
  • _ = Obscured

In Order of Observation:

  1. Arroyo Chub
    • Arroyo Trabuco ✪
    • WFSG River
    • Santa Ana River
  2. Partially-Armored Threespine Stickleback
    • Arroyo Trabuco ✪
  3. Santa Ana Sucker
    • WFSG River ✪
    • Santa Ana River
  4. Santa Ana Speckled Dace
    • WFSG River ✪
  5. Prickly Sculpin (Central Valley Lineage)
    • Big Bear Lake (North Creek) *
  6. South-Central Coast ESU Resident Rainbow Trout
    • Carmel River ✪
    • Big Sur River
  7. Desert Pupfish
    • Dos Palmas Preserve ✪
  8. Lahontan Redside
    • Lake Tahoe (Kings Beach) ✪
    • Independence Lake
  9. Lahontan Speckled Dace
    • Lake Tahoe (Kings Beach) ✪
    • Independence Lake
  10. Lahontan Cutthroat Trout (Upper Truckee Lineage)
    • Upper Truckee River ✪
  11. Tahoe Sucker
    • Lake Tahoe (Kings Beach) ✪
  12. Santa Clara Lineage Unarmored Threespine Stickleback
    • Pine Valley Creek *
  13. California Killifish
    • Tijuana Slough ✪
    • San Diego River Mouth
  14. Topsmelt Silverside
    • San Diego River Mouth ✪
  15. South Coast ESU Resident Rainbow Trout
    • ______ ______ Creek (Reintroduced Population) ✪ *
  16. Lahontan Cutthroat Trout (Carson Lineage)
    • * ______ ______ Creek *
  17. Owens Sucker
    • Convict Lake ✪
  18. Long Valley Speckled Dace
    • Long Valley ✪
  19. Upper Owens Tui Chub
    • Sotcher Lake *
  20. Owens Pupfish
    • ______ ______ Pond *
  21. Toikona/Lower Owens Tui Chub
    • ______ ______ Pond *
Posted on September 25, 2026 02:02 AM by swingman | 35 observations

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