2. Creeks

120609 Fish Sampling

Friends of the Creeks volunteers sampled fish in Civic Park and observed other activity as well. Fish and wildlife photos by Bill Feil, people by Lesley Hunt.
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  • Hummingbird on . . . hummingbird sage in the Oak Habitat IPM garden.
  • Two male, one female house finch on blue elderberry.
  • Jim picks up the first trap as another participant holds a bucket of water at the ready.
  • Jim and Helena inspect the catch from the first trap.
  • Our first crayfish species: Pacifastacus leniusculus (native to the west coast with introductions from the Columbia River)
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  • And finally, right side up
  • Bluegill (not native)
  • Our second species of crayfish (Orconectes virilis (introduced from Ohio). The stout, pale blue claws of the adults are diagnostic. Top . . .
  • . . . and bottom
  • Otter scat at the first sampling site. This was several days old, but a nearby pile was from yesterday. Both were right in an otter slide.
  • An otter-killed crayfish (and eaten -- at least the good parts).
  • Four in hand. Helena was an expert at handling crayfish without getting pinched.
  • California roach (native) in spawning coloration.
  • Measuring a Sacramento sucker from the third trap.
  • Note the bilobed lower lip.
  • The second sucker was a little smaller and had a parasitic worm (red patch on fin)
  • Closeup of worm site
  • As we were leaving, Bill got a couple of nice shots of a monarch butterfly on a buckeye blossom.
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