On average, Cory Catfish cost anywhere between $3 and $10 per fish. This highly depends on the species though and some rare species can cost more than $60/piece!

Is 1 cory catfish enough?

Cory Catfish School Together: Cory Catfish are very social creatures, especially with others of their kind. While Cory Cats can survive alone, they seem much happier in a group of two or more. Two Cory Cats of the same type will often stay close to one another as they move throughout the tank to feed.

What is the cheapest cory catfish?

Albino corydoras (Corydoras aeneus)

One of the most commonly available corys found in almost every pet store is the albino version of the aeneus cory. They only cost $2.50 to $5 each because they're so easy to breed and can produce hundreds of eggs per batch.