public Fishes toFishes(){
		Fishes fishes = new Fishes();
		String[] strs = this.toArray();
		for(int i =0;i<strs.length;i++){
			String[] kat = strs[i].split(",");
			fishes.addFish(new Fish(kat[0],Integer.valueOf(kat[1].trim())));
		}
		return fishes;
	}