The "Neon Yellow Endler" you've described sounds like a uniquely colored variant or strain of Endler's Livebearer (Poecilia wingei). It's not uncommon for aquarium enthusiasts and breeders to develop and name specific strains based on their unique coloration. The detailed color characteristics you've mentioned, such as orange fins, a green body, and blue coloration with yellow, suggest a visually striking and vibrant fish.
 
Here are some general details about caring for Endler's Livebearers, which apply to most strains:
 
Endler's Livebearer:
Average Size: Around 1 inch
Lifespan: 2-3 years
 
Characteristics:
Vibrant and varied color patterns.
Males are typically more colorful with unique markings.
Livebearing fish, meaning they give birth to live fry.
 
Habitat:
Originally found in the freshwater streams of Venezuela.
 
Behavior:
Peaceful and suitable for community aquariums.
Can be kept in planted tanks.
 
Tank Size:
Suitable for smaller aquariums, but a tank of at least 10 gallons is recommended.
 
Care Level:
Easy.
Tolerant of a range of water conditions.
 
Diet:
Omnivorous. Accepts high-quality flakes, pellets, and small live or frozen foods.
 
Water Parameters:
pH: 6.5-8.0
Temperature: 72-78°F
Hardness: 5-20 dGH
 
Disclaimer: "Please note that these are general guidelines, and for more accurate values, we encourage you to contact Living Aquarium by phone or in person. Within store hours, our team of experts is always happy to answer any questions you may have and provide personalized guidance on care."