Final answer:
The phrase "Like spawning fish, the children came..." is an example of a simile.
Step-by-step explanation:
The phrase "Like spawning fish, the children came..." is an example of a simile. A simile is a figure of speech that makes a comparison between two unlike things using the words "like" or "as".
In this case, the children are compared to spawning fish, emphasizing the idea of a large group of children coming together, similar to how fish spawn in large groups.