What happen to nemo's unhatched brothers and sisters?

In the movie "Finding Nemo," it's implied that Nemo's unhatched brothers and sisters were eaten by a barracuda, which is why only he survived. This tragic event serves as a backdrop for the story, shaping Marlin's overprotective nature towards Nemo. The loss of his siblings adds emotional depth to Marlin’s character and highlights the dangers of the ocean.