Guentheri Killifish

Guentheris Killifish (Red) (Aphyosemion guentheri) is a stunning West African killifish admired for its intense red coloration, delicate patterning, and elegant finnage. Males display the richest color, making this species a standout in planted and lightly stocked community aquariums.

Active near the surface and mid-water, Guentheris Killifish add graceful movement and color without overwhelming tankmates. They thrive in well-covered aquariums with floating plants and subdued lighting, where their natural behavior and coloration truly shine.

Hardy and adaptable when properly cared for, this species is a great choice for aquarists looking to add a unique, colorful killifish to a peaceful setup.

Key Features

• 🔴 Vibrant Red Coloration (Especially in Males)
• Surface & Mid-Water Oriented
• Excellent for Planted Aquariums
• ⚡ Active, Elegant Swimmer
• 🧠 Great Introduction to Killifish
• 🐠 Best in Calm Community Tanks

⚙️ Care & Tank Requirements

Care Level: Easy to Moderate
Temperament: Peaceful to Semi-Peaceful
Activity Level: Medium
Adult Size: ~2.5–3 inches
Water Temperature: 72–78°F
pH Range: 6.0–7.5
Tank Size: 10 gallons minimum

Tank Setup Tips:

• Use a tight-fitting lid (killifish can jump)
• Provide floating plants and shaded areas
• Gentle filtration preferred
• Stable water parameters are key

🐠 Diet

• Small floating pellets
• Frozen foods (baby brine shrimp, daphnia, bloodworms)
• Occasional live foods
• Feed small amounts 12 times daily

🐟 Compatibility

Good Tankmates:

• Small peaceful tetras
• Rasboras
• Corydoras
• Other peaceful killifish

Avoid:

• Aggressive fish
• Very small shrimp
• Fin nippers

❓ FAQ Guentheris Killifish (Red)

Q: Are these killifish aggressive?
A: No. They are generally peaceful but may spar lightly with other males.

Q: Do they jump?
A: Yes. A secure lid is strongly recommended.

Q: Are males and females different?
A: Yes. Males are much more colorful; females are plainer.

Q: Are they good for beginners?
A: Yes, with proper tank cover and stable water conditions.

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