Live fish will be delivered only to selected pincodes in Kolkata and nearby areas. full care guide for the Yellow Widow Tetra: 🐠 Yellow Widow Tetra – Full Profile 🔹...
Live fish will be delivered only to selected pincodes in Kolkata and nearby areas.
full care guide for the Yellow Widow Tetra:
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)
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
| Parameter | Ideal Range | 
|---|---|
| Temperature | 70–79°F (21–26°C) | 
| pH | 6.0–7.5 (slightly acidic to neutral) | 
| Hardness | 4–15 dGH | 
| Minimum Tank Size | 15 gallons (larger for bigger groups) | 
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 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)
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
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
| Disease | Symptoms | Notes | 
|---|---|---|
| Ich | White spots on body/fins | Treat with heat + meds | 
| Fin Rot | Torn/discolored fins | Often due to poor water quality | 
| Stress Symptoms | Fading color, hiding | Caused by isolation or bad water | 
Maintain a clean tank, stable water conditions, and a proper school size
Quarantine new fish before adding them to the main tank
| Trait | Detail | 
|---|---|
| Size | 1.5–2.2 in (4–5.5 cm) | 
| Lifespan | 3–5 years (up to 7 with care) | 
| Behavior | Peaceful, active, social | 
| Schooling Size | Minimum 6–8 fish | 
| Diet | Omnivore | 
| Water Temp | 70–79°F (21–26°C) | 
| pH Range | 6.0–7.5 | 
| Difficulty Level | Easy to moderate (great for beginners) | 
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