Reynolds' Corydoras (Corydoras reynoldsi)

The Reynolds' Corydoras (Corydoras reynoldsi) is a peaceful and attractive freshwater catfish prized for its elegant markings, active foraging behavior, and classic Corydoras personality. Native to South America, this social bottom-dweller is an excellent choice for planted aquariums and community fish tanks.

Like all Corydoras species, Reynolds' Corys thrive when kept in groups and spend much of their day exploring the substrate in search of food. Their calm temperament, hardy nature, and compatibility with other peaceful fish make them a favorite among both beginner and experienced aquarists.

Perfect for planted tanks, nano communities, and larger freshwater aquariums, Corydoras reynoldsi adds activity and personality to the lower levels of the aquarium.

Quick Facts

• Scientific Name: Corydoras reynoldsi
• Common Name: Reynolds' Corydoras
• Adult Size: 2.5–3 inches
• Temperament: Peaceful
• Care Level: Easy
• Diet: Omnivore
• Lifespan: 5–10 years
• Minimum Tank Size: 20 gallons
• Water Temperature: 72–79°F
• pH Range: 6.0–7.5
• Water Hardness: Soft to Moderate
• Swimming Level: Bottom Dweller
• Schooling Fish: Yes

Why Choose Reynolds' Corydoras?

✔ Peaceful community catfish
✔ Active bottom-dwelling scavenger
✔ Excellent for planted aquariums
✔ Hardy and beginner friendly
✔ Safe with shrimp and snails
✔ Social schooling behavior

Aquarium Setup

Reynolds' Corydoras thrive in mature aquariums with clean water, soft substrate, and plenty of places to explore.

Recommended setup:

• 20 gallons minimum
• Fine sand or smooth gravel
• Live plants
• Driftwood and caves
• Gentle water flow
• Stable water parameters
• Groups of 6 or more

Fine sand is highly recommended because it protects their sensitive barbels and encourages natural foraging behavior.

Diet & Feeding

Reynolds' Corydoras are omnivores and readily accept:

• Sinking pellets
• Corydoras wafers
• Frozen bloodworms
• Brine shrimp
• Daphnia
• Blackworms
• Quality sinking foods

Although they help consume leftover food, they should always receive dedicated feedings.

Tank Mates

Reynolds' Corydoras do well with:

• Tetras
• Rasboras
• Guppies
• Endlers
• Gouramis
• Dwarf Cichlids
• Shrimp
• Mystery Snails
• Other Corydoras species

Avoid aggressive fish, fin nippers, and large predatory species.

Schooling Behavior

Reynolds' Corydoras are highly social fish and should always be kept in groups.

Recommended group sizes:

• Minimum: 6 fish
• Ideal: 8–12+ fish

Larger groups encourage natural schooling behavior and reduce stress.

Frequently Asked Questions

Do Reynolds' Corydoras need to be kept in groups?
Yes. A group of at least six fish is recommended for proper social behavior and reduced stress.

Are Reynolds' Corydoras good for planted tanks?
Absolutely. They are completely plant-safe and thrive in heavily planted aquariums.

Do Reynolds' Corydoras eat algae?
No. They help consume leftover food but should not be relied upon for algae control.

Can Reynolds' Corydoras live with shrimp?
Yes. They are peaceful and safe with shrimp, snails, and other community fish.

Is sand required?
Fine sand is strongly recommended, though smooth gravel can also work well.

Available at Tropical Treasures Wyo

Shop healthy Reynolds' Corydoras (Corydoras reynoldsi) at Tropical Treasures Wyo in Cheyenne, Wyoming. These peaceful freshwater catfish are perfect for planted aquariums, community tanks, and hobbyists looking for an active and social bottom-dwelling fish.

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