school of fish

A school of fish refers to a group of fish swimming together in a coordinated manner. This behavior can enhance their survival by making it harder for predators to catch them. Fish in a school often swim in the same direction and maintain close proximity, which helps them appear as a single larger entity. Schools can vary in size and can form for various reasons, such as foraging for food, protection, or mating. The collective movement is typically instinctive, allowing the fish to react quickly to threats and environmental changes.