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| Wels Catfish has reached Massaciuccoli lake | |
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| Topic Started: Jun 14 2014, 12:02 PM (1,241 Views) | |
| Furka | Jun 14 2014, 12:02 PM Post #1 |
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I know the articles are about a month old, but at least this is official: http://www.lanazione.it/viareggio/cronaca/2014/05/23/1069035-pesce-siluro-massaciuccoli.shtml http://www.quinewspisa.it/il-siluro-minaccia-il-massaciuccoli.htm I've been hearing about this from friends who go fishing there and also from the local rangers (Massaciuccoli is part of a natural park) even before it was official. Another example of what very few morons are capable of doing. |
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| Jules | Jun 14 2014, 12:06 PM Post #2 |
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Mihi est imperare orbi universo
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![]() Screw wels catfish. |
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| Furka | Jun 14 2014, 12:24 PM Post #3 |
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It's not fault of the Catfish, but of those idiots who don't give a fack about ecosystems and other people. But because of their moronic actions everyone has to pay, both people and animals. Edited by Furka, Jun 14 2014, 12:26 PM.
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| stargatedalek | Jun 14 2014, 12:25 PM Post #4 |
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I'm not slow! That's just my moe!
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its not like they are meaning to be invasive sure they are bad, but they shouldn't be held accountable for their actions also correct me if I'm wrong, but didn't they expand their natural ranges on their own, as opposed to having been transported? Edited by stargatedalek, Jun 14 2014, 12:27 PM.
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| Furka | Jun 14 2014, 12:35 PM Post #5 |
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Nope, definately being transported. The lake isn ot linked to any river that houses them. The chance that they reached the lake after the massive disastrous flood of the Serchio river, a few years ago (a tragicevent), was refused because there were reports prior to that event. Now the park will probably start an eradication campaign, but knowing how things work here, I doubt it will be of any utility. |
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| stargatedalek | Jun 14 2014, 12:47 PM Post #6 |
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I'm not slow! That's just my moe!
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odd that someone would transport them at all typically such things leave a paper trail, or at least a "motive trail" plecostamus, tilapia, and snake-heads in the Everglades for example were introduced accidentally after escaping from backyard ponds in the case of the latter 2 people were breeding them in substandard conditions to make a quick buck |
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| Furka | Jun 14 2014, 12:55 PM Post #7 |
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And the wels isn't even bred in Captivity: people just go to the rivers Arno or Serchio, which are full of them (especially the first), catch some, and release them in the lake. Since the catfish has no predators, and it's immune to all the problems that are affecting the lake (increase of salinity level, pollution, eutrophication, killer algae ...) it wouldn't take them much time to spread, and then those people will have a new place where they can go fishing them, not caring about all the damage they have caused. It's sadly a common practice with several different species, but most don't have the destructive power of catfish. Edited by Furka, Jun 14 2014, 12:58 PM.
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| stargatedalek | Jun 14 2014, 01:23 PM Post #8 |
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I'm not slow! That's just my moe!
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thats awful even when its blatant stupidity its normally still an accident deliberately releasing invasive fish is just, wrong... nigh the exceptions of the peacock bass (population control) to south America, and (subjectively) the pacu to some regions of oceania to replace extirpated species |
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| Furka | Jun 14 2014, 01:48 PM Post #9 |
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But even then it might have bad consequences. Grass carps were introduced to control the proliferation of water weeds. Result: no weeds, algae boom, and plenty of fishes without nesting areas. And the Grass carps don't breed here. Even the supporter of the catfish use the "control of invasive species" thing as an excuse for their work ... |
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Jun 14 2014, 01:53 PM Post #10 |
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I stand in the shadows waiting for you to return me to the light.
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Somehow the spread of species like the Wels will be fixed by nature eventually in the next... couple million years and a new ecosystem will appear and the Wels will be the top predator or a new predator arises... But sadly that is not will happen now because well they are not naturally there... So the original species die off which is sad but a given. |
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| Furka | Jun 14 2014, 01:56 PM Post #11 |
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The wels it's already top predator, and I don't see this fixing itself until most prey items are gone. And by then people will suffer from that, and also other waterbound animals like fish-eating birds. Other invasive species are at least somehow useful (Carassius can outcompete native Cyprinidae but then they become base of the food chain, paying back for what they did) but the wels only damages the echosystem. |
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| stargatedalek | Jun 14 2014, 02:01 PM Post #12 |
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I'm not slow! That's just my moe!
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oh certainly even cane toads were introduced with good intentions, these sorts of things need careful monitoring and testing beforehand, which is often not the case thats convenient at the very least that they don't breed, since they should die off |
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Jun 16 2014, 11:35 AM Post #13 |
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I stand in the shadows waiting for you to return me to the light.
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Yes that is true, however the toll is already be created, there is no possible way of correcting it ourselves by human interference. That is true with many invasive species, once a breeding population of medium to normal size species are set up there is no possible way to totally destroy the, without destroying the ecosystem and all life forms within it... Nature must correct nature, or else man screws up causing something worse to happen, you cannot get rid of something that has appeared in nature especially if they are a hardy animal like the Wels... The Wels alone is a fish that can produce plenty of offspring, one or two the same with the cockroaches in your house there are plenty more where that came from. One or two means many more are with it... Nobody can correct it, nature has to evolve in order to survive, the ecosystems with the Wels needs to evolve or the ecosystem collapses totally. That is nature correct? If you cannot adapt you go extinct, if you can you evolve and get better at surviving... |
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| Furka | Jun 16 2014, 01:43 PM Post #14 |
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Sorry but why can't we do anything about it ? If we put the time, resources and effort (not likely in Italy, but still) why can't we try to do that ? Especially now that they haven't expanded too much yet, there's still a chance of removing them or at òleast keep the population under control. Removing a recently introduced species won't screw up the ecosystem, because it didn't have the time to adapt to the newcomer yet. and even if it did, removing the catfish can only make things better, as it would mean an increase in number of pretty much all the other animals in the lake. |
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Jun 16 2014, 01:49 PM Post #15 |
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I stand in the shadows waiting for you to return me to the light.
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Because the animal is not native once a single animal group adapts to survive in a enviorment while killing off other species... It's also like trying to kill all the roaches in your house... You cannot even if the house is cleaned out they are able to out of sight and still survive... The only way you can win is to drain the lake and remove the fish or... poison the lake entirely... It would be easier to let nature take it's course in reality where no human cares about much other than themselves and few others... |
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