What is a lair how does it apply to schools offish?

A lair, in the context of fish, refers to a hiding place or shelter where fish can seek refuge from predators or harsh environmental conditions. In schools of fish, the concept of a lair can apply when certain fish take cover in crevices, under rocks, or within vegetation to avoid threats while remaining part of the larger group. This behavior enhances their survival by providing safety while still benefiting from the advantages of schooling, such as protection in numbers.