speaking of invasives

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duanes

duanes

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Isla Taboga Panama via Milwaukee
For those who think it's no big deal. I went snorkeling in Lake Michigan today for about an hour. Other than a small school of minnows, the "only" species I saw were zebra/quagga mussels and asian gobys. Every boulder I passed was covered in mussels, and each boulder seemed to be the territory of 1-3 gobys. I tried to catch some, but they were lightning fast, just as I'd get the net close, they'd disappear into the cracks.
 
I may have missed the point, but u think predators are eating all the natives?



Go S. Vettel #1 rb8
 
Hello; My take on it is that the invasive mussels are thought to be such effecient filter feeders or simply because they are so numerious that they deplete the plankton to very low numbers. The food chain for native species is apparently disrupted.
Not sure why the goby's are thriving.
 
The mussels are seriously depleting the plankton native fish rely on.
And the gobys seem to be taking over. I have watched them surround a bass spawning site, and systematically attack and eat all eggs and fry.
I guess my point is aimed at those who think releasing non natives is harmless act, because they think there is only 1 and can't reproduce. Neither of the 2 above invasive species are aquarist responsibility but came from ship ballast release, that aside I have seen more than 1 suggestion here that it is preferable to euthanasia, my point is any release of a non native can have devastating results.
 
So theses are freshwater goby and mussel species?...I have no idea what can be done about the gobies but perhaps the mussels are edible and tasty.That way large numbers of them could harvested.


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The mussels stay small, most are about 1 inch,they also seem to collect toxins. The native whitefish have taken to eating them, but they multiply very quickly. You can barely see the rock, thru the mussels.
A friend from Russia says they eat the gobys there.
 
Oh,I remember reading a magazine article that mentioned harvesting and eating some of the different invasive species as a means of cutting their numbers and lessening their impact on the environment.Even the saltwater lion fish is said to be tasty as long as it is prepared properly.


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krichardson said:
Oh,I remember reading a magazine article that mentioned harvesting and eating some of the different invasive species as a means of cutting their numbers and lessening their impact on the environment.Even the saltwater lion fish is said to be tasty as long as it is prepared properly.


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Click to expand...

At the Taste of Chicago this year they were giving away free Asian carp sandwiches in efforts to drum up a market for them.
 
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