🐟 Corydoras similis – Smudge Spot Cory Catfish

The Corydoras similis, also known as the Smudge Spot Cory, is a small, peaceful bottom-dwelling catfish known for its silvery-blue body with a distinct dark smudge near the tail. This charming species is both hardy and social, making it a favorite for community and planted aquariums.

Like all Corydoras, the Similis is a gentle scavenger that helps keep the substrate clean while adding lively group behavior to your tank.

🌟 Key Features

• ⚫ Distinct Marking: Features a dark “smudge” spot near the tail and subtle iridescent body tones
• 🐠 Peaceful Schooling Fish: Best kept in groups of 6 or more
• 🌿 Bottom Dweller: Helps clean up leftover food and detritus
• 💧 Hardy & Beginner-Friendly: Perfect for peaceful community tanks
• 🐟 Compatible with Shrimp & Snails: Gentle and safe tankmate

⚙️ Care Guide

• Scientific Name: Corydoras similis
• Common Name: Smudge Spot Cory, Similis Cory
• Adult Size: 1.5–2 inches
• Tank Size: Minimum 15–20 gallons
• Water Temperature: 72–80°F
• pH: 6.0–7.5
• Diet: Omnivore – sinking pellets, algae wafers, and frozen/live foods (bloodworms, brine shrimp)
• Behavior: Peaceful bottom-dweller; highly social
• Tank Mates: Tetras, Rasboras, Guppies, Shrimp, Snails, and other small community fish

❓ FAQ

Q: Can I keep just one Corydoras similis?
A: It’s best to keep them in groups of at least 5–6. They’re schooling fish and become more active and confident in groups.

Q: Do they clean the tank?
A: They help by eating leftover food but still need a proper diet—don’t rely on them as the sole cleaners.

Q: Are they sensitive to water conditions?
A: They prefer clean, well-oxygenated water with soft substrate to protect their barbels.