Emerald Green Corydoras (Brochis splendens)
The Emerald Green Corydoras (Brochis splendens), also known as the Emerald Cory, Emerald Catfish, or Green Cory Catfish, is a stunning freshwater bottom dweller prized for its brilliant metallic emerald-green coloration and peaceful personality. Larger than many traditional Corydoras species, Emerald Corys bring both beauty and functionality to community aquariums.
These social catfish spend their days exploring the substrate, scavenging for leftover food, and interacting with their group. Their iridescent green sheen becomes especially vibrant under aquarium lighting, making them one of the most eye-catching members of the Corydoras family.
Hardy, peaceful, and beginner-friendly, Emerald Green Corydoras are excellent additions to planted aquariums and freshwater community tanks.
Quick Facts
- Scientific Name: Brochis splendens
- Common Names: Emerald Green Corydora, Emerald Cory, Emerald Catfish, Green Cory Catfish
- Adult Size: 3–4 inches
- Temperament: Peaceful
- Care Level: Easy
- Diet: Omnivore
- Lifespan: 5–10 years
- Minimum Tank Size: 20 gallons
- Water Temperature: 72–80°F
- pH Range: 6.0–7.5
- Water Hardness: Soft to Moderate
- Swimming Level: Bottom Dweller
- Schooling Fish: Yes
Why Choose Emerald Green Corydoras?
✔ Brilliant metallic emerald-green coloration
✔ Peaceful community fish
✔ Larger and more robust than many Cory species
✔ Excellent bottom-dwelling scavenger
✔ Beginner friendly and hardy
✔ Perfect for planted aquariums
Aquarium Setup
Emerald Green Corydoras thrive in mature aquariums with soft substrate, stable water conditions, and plenty of hiding places.
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 4–6 or more
Fine sand is preferred because it protects their sensitive barbels and encourages natural foraging behavior.
Diet & Feeding
Emerald Corys are omnivores and readily accept:
- Sinking pellets
- Corydoras wafers
- Frozen bloodworms
- Brine shrimp
- Daphnia
- Blackworms
- Live foods
- Quality sinking foods
Although they consume leftover food, they should be fed directly to maintain proper nutrition.
Tank Mates
Emerald Green Corydoras do well with:
- Tetras
- Rasboras
- Gouramis
- Livebearers
- Rainbowfish
- Dwarf Cichlids
- Angelfish
- Shrimp
- Mystery Snails
- Other Corydoras
Their peaceful nature makes them excellent additions to community aquariums.
Schooling Behavior
Emerald Green Corydoras are social fish and should always be kept in groups.
Recommended group sizes:
- Minimum: 4–6 fish
- Ideal: 6–10+ fish
Larger groups help reduce stress and encourage natural behavior.
Frequently Asked Questions
Are Emerald Green Corydoras good for beginners?
Yes. They are hardy, peaceful, and easy to care for, making them excellent beginner fish.
Are Emerald Green Corydoras true Corydoras?
They are closely related and were historically classified as Corydoras, but are currently classified as Brochis splendens.
Do Emerald Corys need sand substrate?
Fine sand is ideal, though smooth gravel can also work well.
Do Emerald Green Corydoras eat algae?
No. They primarily consume leftover food and sinking foods but should not be considered algae eaters.
How large do Emerald Green Corydoras get?
Adults commonly reach 3–4 inches, making them slightly larger than many other Cory species.
Available at Tropical Treasures Wyo
Shop healthy Emerald Green Corydoras at Tropical Treasures Wyo in Cheyenne, Wyoming. These peaceful freshwater catfish are perfect for community aquariums, planted tanks, and hobbyists looking for a colorful and active bottom-dwelling fish.
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