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signal crayfish The only native crayfish species in Washington. These fellows were in a bucket... I came across someone catching them, who obligingly allowed me to photograph them. They had a pretty good catch going. Geotagged,Pacifastacus leniusculus,Spring,United States Click/tap to enlarge PromotedSpecies introCountry intro

signal crayfish

The only native crayfish species in Washington. These fellows were in a bucket... I came across someone catching them, who obligingly allowed me to photograph them. They had a pretty good catch going.

    comments (5)

  1. View Ferdy Christant's profile
    Ferdy Christant
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    Nice find! Do you know their local conservation status? Posted 6 years ago
    1. View morpheme's profile
      morpheme
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      They are plentiful enough that catching them is allowed - you can take up to 10 lbs/day, so I'd say it doesn't sound like there's any problems with their population numbers... There is a season - you can only fish for them May-October. They breed in the winter, so that season is closed. Posted 6 years ago
      1. View Ferdy Christant's profile
        Ferdy Christant
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        Thanks! Posted 6 years ago
        1. View morpheme's profile
          morpheme
          Lion
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          I don't think these guys are ever going to be in trouble... apparently in your area (and around Europe) theses are bad guys... they appear to be a very robust invasive species. http://cphpost.dk/news/killer-crayfish-found-in-denmarks-longest-river.html Posted 6 years ago
          1. View Ferdy Christant's profile
            Ferdy Christant
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            Well, don't underestimate how awesome us dutch are in exploiting every inch of our country. Seriously though, not sure what the status is here, I don't live near one of the rivers, I've never seen one here. Posted 6 years ago

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The Signal crayfish

The signal crayfish is a North American species of crayfish. It was introduced to Europe in the 1960s to supplement the Scandinavian ''Astacus astacus'' fisheries, which were being damaged by crayfish plague, but the imports turned out to be a carrier of that disease. The signal crayfish is now considered an invasive species across Europe, Japan, and California ousting native species there.

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Similar species: Decapods
Species identified by morpheme
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By morpheme

All rights reserved
Uploaded May 13, 2019. Captured May 12, 2019 15:38 in 2519 SW Juneau St, Seattle, WA 98106, USA.
country flag of United States of America Explore United States of America 39,948 9,641 8
  • X-E2
  • f/1.0
  • 1/125s
  • ISO640
  • 55mm