Goldfish originated from China. They were selectively bred from wild carp. Ancient Chinese began to breed them in ponds for ornamental purposes. Over time, different varieties with various colors and fin shapes were developed through careful breeding.
I'm not sure specifically as the 'the secret goldfish story' isn't a widely known common tale. It could be about a goldfish with some sort of hidden quality or a secret related to it, like maybe it has a magical power that only the owner discovers, or it could be about a secret that the goldfish is hiding from the people around it.
There may be a lack of common knowledge about a so - called 'operation goldfish' real story without more context. It could potentially be a codename for a secret mission within a particular organization, or perhaps a project within a company that is known only to those directly involved.
Once upon a time, there was a little boy named Tom. He had a goldfish named Goldie. Goldie lived in a small fishbowl on Tom's desk. Every day, Tom would feed Goldie and talk to it. One day, Tom noticed that Goldie seemed a bit sad. So, he decided to get a bigger tank for Goldie with some plants and little caves. After that, Goldie became very active and happy again.
Since I don't know the details of the story, I can only guess. There's probably the goldfish itself as a main character. And there might be a person, perhaps a child or an old man, who discovers the goldfish or has some sort of relationship with it.
There were many hero plants in Plants vs Zombies. The exact number may vary from version to version, but according to the latest version (v121), the known hero plants are: Sunny Mushroom, Nut Wall, Sour Berries, Ice Shooter, Peashooter, Double Shooter, Cherry Bomb, Hot Chili Pepper, Potato Thunder, and Ice Shooter.