How to say “My youngest refuses to leave the aquarium room until she's seen every fish.” in Japanese

In Japanese

末(すえ)っ子(こ)が、魚(さかな)を全部見(ぜんぶみ)るまで観賞魚売(かんしょうぎょ う)り場(ば)から出(で)ないって言(い)い張(は)ってる。

Sue kko ga, sakana o zenbu miru made kanshōgyo uriba kara denai tte iihatteru.