All Fishes ⇒ My Fish Registered Keepers ⇒ Poeciliopsis prolifica

No. All keepers listed by when they started keeping this species. The longest an individual has been kept is 2 years, 1 months.
1 Harold Weiss (p: 5, k: 18) since 2012-03-23 to 2014-05-12, that's 2 years, 1 months; who writes, "I keep this species in an aquarium with a volume of 22 liters. New born juveniles were not seperated."