Select the option that can be used as a one-word substitute for the given group of words.

A group of fish

School

The one-word substitute for "a group of fish" is school.

• Troop is a small group of people or animals who are together.
• Bunch is a group of things or people that are close together.
• Litter is a group of young animals that are born at the same time.

School is a group of fish that swim together. Fish schools can be very large, and they can be seen in all types of water, from oceans to lakes to rivers. Schooling fish have a number of advantages, such as being able to find food more easily and being more difficult for predators to catch.