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<p>Hi,<br>
<br>
I've just a question about exotic crayfish : why <i>Astacus leptodactylus</i>, <i>Oronectes limosus</i>, <i>Pacifastacus leniusculus</i> and <i>Procambarus clarkii</i> aren't in the aliens species list ? <br>
<br>
Thanks in advance, and congratulation for this beautiful website !<br>
<br>
Xavier Mestdagh<br>
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