All Fishes ⇒ My Fish Registered Keepers ⇒ Betta persephone

No. All keepers listed by when they started keeping this species. The longest an individual has been kept is 2 years, 10 months.
1 Anton (k: 2) since 2011-05-29 to 2014-04-09, that's 2 years, 10 months