Why do laying eggs is advantageous to fish

You can lay multiple eggs at one time, and sit on them or bury them to keep them warm.

Explanation:

You can lay multiple eggs at one time, and sit on them or bury them to keep them warm. plus they can be dispersed throughout the ocean so the egg eaters cant get them all at once

Explanation:

the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus