🐠 Yellow Widow Tetra – Full Profile

🔹 Basic Information

• Common Name: Yellow Widow Tetra, Sunburst Yellow Widow

• Scientific Name: Gymnocorymbus ternetzi (color morph of Black Skirt/Widow Tetra)

• Family: Characidae

• Origin: Captive-bred color variant; base species native to South America

• Size: Typically 1.5–2.2 inches (4–5.5 cm)

• Lifespan: 3–5 years (up to 7 years with proper care)

• Temperament: Peaceful to semi-aggressive (especially in small groups)

🎨 Appearance

• Color: Bright yellow or golden body with a metallic sheen

• Fins: Usually translucent or lightly yellow-tinted

• Body Shape: Tall, oval-shaped, laterally compressed

• Sex Differences:

  • Males: Slightly slimmer with pointed fins

  • Females: More rounded abdomen and slightly larger

💧 Water & Tank Requirements

• Keep water well-filtered and well-aerated

• Use a mix of plants, driftwood, and open swimming space

• A darker substrate enhances their color

• Lid recommended—they can jump

🍽 Diet & Feeding

• Diet Type: Omnivore

• Staple Foods: Flakes, micro-pellets

• Supplements:

  • Live/frozen: Brine shrimp, daphnia, bloodworms

  • Vegetable: Blanched spinach, spirulina

• Feed 1–2 times daily in small portions (consume within 2–3 minutes)

👥 Behavior & Tank Mates

• Schooling Fish: Keep in groups of at least 6–8 to prevent fin-nipping

• Tank Level: Mid to upper

• Behavior: Active, peaceful in groups, may nip fins if isolated or overcrowded

• Compatible Tankmates:

  • Other tetras, rasboras, danios, platies, guppies

  • Corydoras, small barbs, snails, shrimp

• Avoid:

  • Bettas and long-finned or slow-moving fish

🐣 Breeding

• Type: Egg scatterer

• Spawning Conditions:

  • Slightly acidic, soft water

  • Fine-leaved plants or spawning mops

  • Warm temperature (~82–86°F or 28–30°C)

• Breeding Tips:

  • Use a separate breeding tank

  • Remove adults after spawning to protect eggs

  • Eggs hatch in ~24–36 hours

  • Fry become free-swimming in 3–5 days

  • Feed fry infusoria → baby brine shrimp → crushed flakes

🩺 Health & Disease

• Maintain a clean tank, stable water conditions, and a proper school size

• Quarantine new fish before adding them to the main tank

✅ Quick Summary

IMAGES ARE FOR REPRESENTATIVE PURPOSES ONLY.