Biwa Lake Biggest lake in Japan

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Yesterday, I met with my old friend who likes bass fishing.
He goes to Biwa lake for bass fishing every weekend.
He tought me the problem of bass fishing in biwa lake.

Biwa lake is the largest lake in Japan.

Now, Biwa lake is known as major bass fishing point in Japan.

大きな地図で見る



Original bass is alien species in Japan.

Freshwater trout, Crucian carp, Carp, Catfish and etc originally live
there.

Someone discharged bass fish to Biwa lake and the number of bass bigger
and bigger, as bass is larger and much stronger than Biwa lake's local
fish and eat them up.

Local people want to protect original nature of Biwa lake and work hard
to protect it and do hard expulsion of bass. In Local law, if you catch
bass, releasing is prohibited and must take it to the bass clean box
which settled many places around Biwa lake.

But most of bass fisher do not do that. According to them, they do not
want expulsion the bass and simply annoying to take it to the bass clean box.

Moreover, much bigger sized bass is seemed to be discharged. My friend
says bigger sized bass is easily caught recently.

Now Bass fishing is major sports and give many profit to the people who
work around Biwa lake, fishing shop, restaurant, hotels and so on. On
the other hand, we must protect the nature. It is difficult problem for
us.

In your country, is there problem like this?



Below map shows where bass clean boxes settled