Question 1

Are cory catfish hard to keep?

Accepted Answer

No — corydoras catfish are one of the easiest freshwater fish to keep. They're hardy, peaceful, and tolerant of minor water fluctuations. The two most important things are keeping them in a group of at least 6 and using fine sand substrate to protect their delicate barbels.

Question 2

How many corydoras catfish should be kept together?

Accepted Answer

Always keep a minimum of 6 corydoras of the same species. Cories are schooling fish and feel stressed and insecure when kept in small groups. A proper school makes them bold, active, and much happier. More is always better — 8 to 10 is ideal.

Question 3

What do cory catfish eat in a tank?

Accepted Answer

Corydoras eat sinking pellets and wafers as a staple diet. Supplement with frozen or live foods like bloodworms, brine shrimp, and daphnia a few times a week. They'll also eat blanched vegetables like zucchini occasionally. Always make sure food reaches the bottom before other fish eat it.

Question 4

How long do cory catfish live?

Accepted Answer

Corydoras typically live 5 to 10 years in a well-maintained aquarium. Some individual fish have been reported to live even longer. Good water quality, a proper diet, and a stress-free environment are the biggest factors in their longevity.

Question 5

What size tank do cory catfish need?

Accepted Answer

A 20-gallon tank is the minimum for a school of 6 corydoras. Because cories are bottom dwellers, a longer, wider tank is better than a tall one — more floor space means more room to forage. For larger groups of 8 to 10 fish, a 30-gallon tank is a better fit.

Question 6

What are the best tank mates for corydoras catfish?

Accepted Answer

Corydoras get along with most peaceful community fish. Great choices include neon tetras, rasboras, guppies, honey gouramis, bristlenose plecos, nerite snails, and amano shrimp. Avoid aggressive cichlids, large predatory fish, and known fin nippers like tiger barbs.

Question 7

Can albino corydoras live with regular corydoras?

Accepted Answer

Yes — albino corydoras are simply a color variant of bronze corydoras (Corydoras aeneus). They school naturally together and have identical care requirements. You can mix albinos with bronze cories in the same school without any issues.

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