The main characters are the three little fish, of course.
In the three little fish story, the main characters are simply the three little fish. We can assume that they each play a role in the story's development. They might face challenges like a big fish trying to eat them or a polluted area in the water. Their reactions to these situations and how they support each other as the three main characters drive the story forward.
The three little fish are the main characters. They might have different characteristics. For example, one could be the brave one, always leading the way. Another might be the smart one, good at finding solutions to problems. And the third could be the friendly one, who helps them make allies in the water. These three fish together form the core of the story.
The characters are the three little fish, of course.
There might be other fish too. Big fish could be main characters as well if they are constantly interacting with the little fish, either as threats or as some sort of guide. For example, a wise old big fish could be a character that gives the little fish advice.
The main character is the little rainbow fish. He is a fish with beautiful, shiny scales.
I'm not sure as I haven't read it, but I assume the little fish is one of the main characters. There might also be other fish or sea animals like a big shark that could be a threat, or a friendly turtle that helps the little fish.
The little red fish is the central character for sure. But there might also be other fish or sea animals in the story that play important roles. For example, there could be a big blue fish that is either a friend or a foe to the little red fish. There might also be some small colorful fish that the little red fish interacts with. So, while the little red fish is the main focus, the other sea creatures in the story also contribute to the plot and can be considered as important characters in their own ways.
In the 'little blue fish story', the main character is surely the little blue fish. But depending on the nature of the story, there could be other important characters too. For instance, if it's a story about the little blue fish's search for a lost treasure, there might be an old wise fish that gives it clues. Or if it's a story about survival, there could be a big predator fish that constantly hunts the little blue fish and its companions.
The main characters are the fisherman and the little fish.
Depending on the story, there could be other sea creatures too. For example, a friendly crab that gives the little red fish advice, or a seagull that the fish has to avoid. These characters add more depth and action to the little red fish story. The interactions between all these characters drive the plot forward and make the story interesting.
The main characters are the fisher and the little fish. The fisher is the one who catches the fish and has to make a decision about what to do with it. The little fish is in a vulnerable position and tries to persuade the fisher to let it go.
The main character is of course the little black fish. It is the one that stands out and has its own adventures.