When mixing different cory cats species, it is essential to understand the difference between a fish grouping and exhibiting schooling behavior. Although corydoras are social animals that enjoy the company of their fellows, forming a true school requires the presence of individuals of the same species.
When talking about schooling behavior, we refer to a cohesive group of fish that swim together in a coordinated fashion, exhibiting complex social behaviors. We can associate the shoal as a single organism, with movements, and communications of its own, without the individual character.
In these schools, fish follow a leader, maintain an organized formation, and demonstrate synchrony in their movements. These behaviors are vital for communication, defense against predators, and foraging.
In the aquarium, when kept together, different cory catfish species can group, even if they do not exhibit the typical shoaling behavior of the species.
This behavior is standard as a result of a restricted and shared environment. They may choose to stay close to each other, taking advantage of the presence of companions to feel more secure.
This formation presents a great individual character, where many times only the predominant species of the shoal will perform some behavior; groups do not involve the same coordination and social interaction found in a true school.
When observing different species of corydoras grouping, it is crucial to remember that each has its own behavioral characteristics and environmental preferences.
Even because some species live in similar regions or places with the same water conditions does not mean that they form a school or interact in a socially coordinated way.
Knowing the distinctions between species is critical when considering the possibility of mixing cory species in the same aquarium.
Although they can group, it does not replace the need to provide a suitable environment for each species. Each species has its requirements, and mixing them indiscriminately can lead to compatibility issues and stress.
