Black Double Yellow Swordtail Guppy (Poecilia reticulata)
The Black Double Yellow Swordtail Guppy (Poecilia reticulata) is a stunning designer guppy variety prized for its dramatic contrast and elegant finnage. Featuring a deep black body paired with vibrant yellow double swordtail extensions, this eye-catching livebearer is a standout addition to planted aquariums, nano tanks, and peaceful community setups.
Its striking coloration pops against lush green plants and dark substrates, making it a favorite among guppy enthusiasts and aquascapers. Hardy, active, and easy to care for, the Black Double Yellow Swordtail Guppy is an excellent choice for both beginner and experienced aquarists.
Key Features
- Deep black body with brilliant yellow tail coloration
- Distinctive double swordtail fin extensions
- Peaceful and community-friendly temperament
- Hardy and beginner-friendly livebearer
- Excellent for planted aquariums and nano tanks
- Active swimmer with vibrant coloration
- Breeds readily in freshwater aquariums
Care Guide
Scientific Name: Poecilia reticulata
Common Name: Black Double Yellow Swordtail Guppy
Adult Size: 1.5–2 inches
Temperament: Peaceful
Care Level: Easy
Diet: Omnivore
Tank Size: 10 gallons minimum
Water Temperature: 72–82°F
pH Range: 6.8–7.8
Lifespan: 1–3 years
Ideal Tank Setup
Black Double Yellow Swordtail Guppies thrive in well-maintained aquariums with stable water conditions and plenty of plant cover. Live plants help enhance coloration while providing security and natural grazing surfaces.
Recommended setup:
- Planted aquarium
- Moderate filtration
- Stable water parameters
- Open swimming areas
- Dark substrate for enhanced coloration
Diet & Feeding
Feed a varied diet consisting of:
- High-quality guppy flakes
- Micro pellets
- Frozen brine shrimp
- Daphnia
- Bloodworms
- Live foods when available
A varied diet helps maintain vibrant coloration and healthy fin development.
Compatible Tank Mates
- Neon Tetras
- Cardinal Tetras
- Ember Tetras
- Corydoras Catfish
- Rasboras
- Mollies
- Platies
- Endlers
- Shrimp
- Snails
Avoid aggressive or fin-nipping species.
Frequently Asked Questions
Q: Are Black Double Yellow Swordtail Guppies good for beginners?
A: Yes. They are hardy, adaptable, and easy to care for.
Q: What makes this guppy unique?
A: Its bold black body and bright yellow double swordtail fins create a striking, high-contrast appearance.
Q: Can they live in community aquariums?
A: Absolutely. They are peaceful and do well with other community fish.
Q: Do they breed easily?
A: Yes. Like most guppies, they are livebearers and readily reproduce in freshwater aquariums.
Q: Are they suitable for planted tanks?
A: Yes. Their colors look especially vibrant in planted aquariums with dark substrates.
Available at Tropical Treasures Wyo
Shop healthy Black Double Yellow Swordtail Guppies at Tropical Treasures Wyo in Cheyenne, Wyoming. These premium fancy guppies are carefully selected for coloration, health, and finnage, making them a beautiful addition to any freshwater aquarium.
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