Delphax Corydoras (Corydoras delphax)
The Delphax Corydoras (Corydoras delphax) is a beautiful and lesser-known freshwater catfish prized for its elegant silver-gray coloration and distinctive dark band running across its body. Native to the upper Amazon Basin of South America, this peaceful bottom-dweller is an excellent choice for aquarists seeking a unique Corydoras species that stands out from more common varieties.
Like all Corydoras, Delphax Corys are highly social fish that thrive in groups and spend their days exploring the substrate for food. Their calm demeanor, attractive markings, and active foraging behavior make them ideal additions to community aquariums, planted tanks, and peaceful freshwater setups.
Hardy, peaceful, and easy to care for, Corydoras delphax offers both beauty and personality for beginner and experienced fish keepers alike.
Quick Facts
- Scientific Name: Corydoras delphax
- Common Name: Delphax 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 Delphax Corydoras?
✔ Unique and uncommon Corydoras species
✔ Attractive silver-gray body with dark body band
✔ Peaceful community fish
✔ Excellent bottom-dwelling scavenger
✔ Perfect for planted aquariums
✔ Hardy and beginner friendly
Aquarium Setup
Delphax Corydoras thrive in mature aquariums with soft substrate, stable water conditions, and plenty of places to explore.
Recommended setup:
- 20 gallons minimum
- Fine sand or smooth gravel
- Live plants
- Driftwood and caves
- Gentle to moderate 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
Delphax Corydoras are omnivores and readily accept:
- Sinking pellets
- Corydoras wafers
- Frozen bloodworms
- Brine shrimp
- Daphnia
- Blackworms
- Blanched vegetables
- Quality sinking foods
Although they help clean up leftover food, they should be fed directly to ensure optimal nutrition.
Tank Mates
Delphax Corydoras do well with:
- Tetras
- Rasboras
- Gouramis
- Livebearers
- Dwarf Cichlids
- Angelfish
- Shrimp
- Mystery Snails
- Other Corydoras species
Avoid aggressive fish and rough substrates that may damage their barbels.
Schooling Behavior
Delphax 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 help reduce stress.
Frequently Asked Questions
How big do Corydoras delphax get?
Adults typically reach 2.5–3 inches, making them ideal for community aquariums and planted tanks.
Are Delphax Corydoras aggressive?
No. They are peaceful, social fish that thrive with other calm community species.
Can Delphax Corydoras live in planted tanks?
Absolutely. They are completely plant-safe and enjoy shaded areas created by live plants and driftwood.
How many should I keep together?
A minimum of six is recommended, though larger groups are preferred.
What do Delphax Corydoras eat?
They enjoy sinking pellets, wafers, frozen foods, live foods, and occasional vegetable-based foods.
Do Delphax Corydoras eat algae?
No. They help consume leftover food and detritus but should not be considered algae eaters.
Available at Tropical Treasures Wyo
Shop healthy Delphax Corydoras (Corydoras delphax) at Tropical Treasures Wyo in Cheyenne, Wyoming. These peaceful freshwater catfish are perfect for community aquariums, planted tanks, and hobbyists looking for a unique and uncommon Corydoras species.
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