Corydoras eques (Osteogaster eques) – The Breathtaking “Horseman’s Cory”

If you are looking for a show-stopping addition to your aquarium’s cleanup crew, look no further than the Corydoras eques (recently reclassified as Osteogaster eques). Often referred to as the “Horseman’s Cory,” this highly sought-after and relatively rare species is famous for its unbelievable coloration. It features a striking, rusty-orange to copper-colored head and fins, which abruptly transitions into a shimmering, metallic teal or emerald-green body. Beyond their stunning looks, they possess the endearing, peaceful, and highly social personality that makes Corydoras catfish so universally loved in the aquarium hobby. Watching a healthy school of Eques Corys actively foraging across the sand is a mesmerizing experience for any aquarist.

Key Features 

• Spectacular Color Contrast: Boasts an incredibly unique pattern—a vivid rusty-orange head and dorsal area paired with a metallic greenish-blue flank.

• Highly Collectible: A rare and prized species that stands out in any premium planted tank or South American biotope.

• Social and Active: Extremely gregarious; they display their best colors and most active, natural behaviors when kept in large groups.

• Diligent Cleaners: Excellent bottom-dwellers that tirelessly sift through the substrate, consuming uneaten food and keeping the tank pristine.

• Peaceful Nature: Completely non-aggressive, making them the perfect tank mates for a wide variety of community fish.

Care Requirements

• Tank Size: Minimum 20 gallons. They must be kept in groups of at least 6 individuals (schools of 8-12+ are highly recommended) to thrive and reduce stress.

• Water Temperature: 72–79°F (22–26°C)

• pH Range: 6.0–7.4 (Adaptable, but prefers slightly acidic to neutral, well-oxygenated water).

• Diet: Omnivorous – they require a nutritious sinking diet. Feed high-quality sinking pellets, wafers, and frequent supplements of frozen or live foods like bloodworms, blackworms, and brine shrimp to maintain their vibrant colors.

• Tank Mates: Perfect for peaceful community setups. Ideal companions include Tetras (such as Cardinals or Rummy Noses), Rasboras, peaceful Dwarf Cichlids (like Apistogramma or Rams), and Hatchetfish.

• Habitat Setup: A soft sand substrate is absolutely mandatory. Sharp gravel can erode their delicate barbels, leading to severe infections. They appreciate a tank with subdued lighting, plenty of driftwood, leaf litter (like Indian Almond leaves), and dense planting for cover.

Why Choose Our Corydoras eques?

At Amazonia Tropical Fish LLC, we pride ourselves on offering healthy, ethically sourced, and properly conditioned rare catfish. Our Corydoras equesundergo a strict quarantine process, are treated for internal parasites, and are eating vigorously before they are ever offered for sale. You are getting premium, robust fish ready to shine in your display tank.

Shipping & Live Arrival Guarantee

We safely ship our rare Corydoras nationwide from our US-based facility. Every order is fully covered by our Live Arrival Guarantee, ensuring your investment arrives alive and well.