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Live fish will be delivered only to selected pincodes in Kolkata and nearby areas.
Here’s a complete and clear care profile for the Red Widow Tetra, a beautiful freshwater schooling fish known for its vivid coloration and social behavior:
🐠 Red Widow Tetra Overview
| Category | Details |
|---|---|
| Common Name | Red Widow Tetra |
| Scientific Name | Gymnocorymbus ternetzi (color morph) |
| Family | Characidae |
| Origin | Amazon Basin, South America (color variant is captive-bred) |
| Size | 1.5 to 2 inches (3.8–5 cm) |
| Lifespan | 3 to 5 years |
| Temperament | Peaceful, slightly nippy if kept alone |
| Difficulty | Easy to moderate |
🎨 Appearance
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Body Shape: Classic tetra shape—flattened sides and deep body.
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Color: Bright red hue (developed via selective breeding), often semi-transparent with solid red pigmentation.
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Fins: Can be translucent or slightly red.
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Gender Differences:
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Females: Slightly larger and plumper.
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Males: Slightly slimmer and more colorful.
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🔴 Note: This is a variant of the Black Widow Tetra (Gymnocorymbus ternetzi) bred for vibrant red coloration. There are also other color variants like white, blue, and gold.
💧 Water Parameters
| Parameter | Ideal Range |
|---|---|
| Temperature | 72–79°F (22–26°C) |
| pH | 6.0–7.5 |
| Hardness | 5–15 dGH |
| Tank Size | Minimum 15 gallons |
Keep a school of at least 6–8 fish to reduce stress and aggression.
🏡 Tank Setup
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Substrate: Dark gravel or sand helps enhance coloration.
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Decor: Plants (Java fern, Amazon sword), driftwood, caves.
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Lighting: Moderate (too bright can cause stress).
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Filtration: Gentle to moderate flow.
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Heater: Yes, to maintain tropical temperatures.
🍽️ Diet
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Feeding Type: Omnivorous.
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Staple Foods:
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High-quality flake food
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Micro-pellets
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Treats:
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Frozen/live brine shrimp
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Daphnia, bloodworms
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Blanched spinach or zucchini (occasional)
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Feed small portions 2 times a day. Avoid overfeeding.
👥 Behavior & Compatibility
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Schooling: Strongly prefers to be in groups of 6 or more.
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Activity Level: Active mid-level swimmers.
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Temperament: Peaceful but may nip fins if isolated.
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Tank Mates:
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Guppies, mollies, platies
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Corydoras, rasboras
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Tetras (neon, ember, glowlight)
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Shrimp and snails
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❌ Avoid long-finned or slow-moving fish (e.g., bettas, angelfish).
🐣 Breeding
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Spawning Type: Egg scatterer.
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Breeding Tank Setup:
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Fine-leaved plants or spawning mops
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Soft, slightly acidic water
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Gentle filtration and dim lighting
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Spawning Behavior:
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Happens early morning.
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Eggs are laid and fertilized over plants.
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Fry Care:
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Eggs hatch in 24–36 hours.
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Remove adults to prevent egg-eating.
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Feed fry infusoria or powdered fry food.
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🩺 Common Health Issues
| Issue | Cause / Symptom | Prevention / Treatment |
|---|---|---|
| Ich | White spots on body and fins | Quarantine & treat with medication |
| Fin Rot | Frayed fins | Clean water + antibacterial meds |
| Bloat | Swollen belly from overfeeding | Feed balanced, high-fiber diet |
| Stress | Color loss, hiding, darting behavior | Maintain stable water + proper group size |
✅ Summary
| Trait | Details |
|---|---|
| Size | 1.5–2 inches |
| Group Size | 6+ (schooling fish) |
| Lifespan | 3–5 years |
| Diet | Omnivorous |
| Ideal Temp | 72–79°F (22–26°C) |
| Tank Size | 15+ gallons |
| Tank Level | Mid-level swimmer |
| Best For | Community aquariums |
Would you like a care chart or tank setup plan for Red Widow Tetras?
To avail free shipping, purchase amount should be Rs350/-(for Aquarium Accessories and Aquatic Plants) or more, less than the above amount shipping charges applicable Rs70/- only. For live fish delivery charges applicable at the time of checkout.
Orders are normally Shipped within 1-2 days and usually take 2-5 working days to be delivered based on your location. However, you will receive an approximate timeline when you place your order.
To ensure that your order reaches you quickly and in good condition, we only ship through reputed courier agencies.
