I was playing my Japanese version of animal crossing new leaf and when I
caught a Killifish the dialog said:

> メダカを 釣{つ}り上{あ}げた！ まだ小学生{しょうがくせい}だな

I get the gist of what it says but I think it's some sort of joke as is the
custom when you catch something in the English games. Would anyone be able to
explain this joke (if it is one)?
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2016-04-23T00:45:30.057
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2016-04-23T07:56:58.603
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question
puns jokes
Help with a Japanese joke: the link between メダカ and 小学生
I think it's a reference to a famous children's song めだかの学校, where a school of
めだか is...er, a school of めだか.

短い答えでごめんなさい。
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2016-04-23T01:12:45.007
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answer
This is an interesting question to me.

I actually hadn't known about what this exactly means until you asked.

Now, [kindly take a look at this
page.](http://news.livedoor.com/article/detail/10262642/)

The page says, ( though they are almost at the extinction level )

>
> メダカは、体長4cmほどの日本で最も小さな淡水魚と言われ、かつては田んぼや小川、池などで普通に見かける親しみがある魚だったのですが、環境の変化によって生息数が激減してしまいました。

Translation

> メダカ is a freshwater fish as small as 4cm and considered to be the smallest
> fish among them in Japan. In past times, they were found so often in rice
> fileds and creesk, ponds and were familiar to ordinary Japanese but the
> change of the environment reduced their numbers largely.

So, even though I have never heard personally the "joke" in your question for
my long wasting lifetime, haha, but I think the implication of the sentence is
referring to "small kid".
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2016-04-23T06:06:12.670
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answer