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Yellow Banana Hi-Fin Platy is a selectively bred variety of the Xiphophorus variatus species, also known as the Variatus Platy. This particular strain is prized for its vibrant, banana-yellow coloration and dramatically extended dorsal fin, giving it a striking appearance in aquariums.  Key Features: Color: Bright, solid yellow—hence the "banana" nickname Fin Type: Hi-Fin (or Highfin), meaning the dorsal fin is elongated and sail-like Size: Typically grows up to 5–6 cm (2–2.5 inches) Temperament: Peaceful and social; ideal for community tanks Sexual Dimorphism: Males are usually smaller and more colorful, with a gonopodium (modified anal fin)  Care Requirements: Tank Size: Minimum 10 gallons, ideally more for groups Water Conditions: Temperature: 22–28°C (72–82°F) pH: 7.0–8.2 Hardness: Moderate to hard water Diet: Omnivorous—accepts flakes, pellets, algae wafers, and live/frozen foods Behavior: Active swimmers; do best in groups of 5 or more  Breeding: Livebearers: Females give birth to live young Prolific Breeders: Can reproduce frequently in stable conditions Fry Care: Provide hiding spots or a breeding box to protect fry from adult fish This variety is a great choice for both beginner and experienced aquarists due to its hardiness, beauty, and ease of care