I don't think they're native to the states
very shy and always hiding
Very wrong, likely will die soon.. Sticklebacks should be fairless and always active on the hunt curiously following all that moves...
What type of environment did you catch them in?
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around rocks. I caught them with normal fish tank net from river coast. It took quite a time though the were very few of them and they are faster then my hand with netIn and around rocks or out in the open?
I do not see why not. In my understanding they are not migrating fish. so they could live in there for generations...Do you think they'd travel that far upstream?
maybe David?Richard Attenborough