| No. | All keepers listed by when they started keeping this species. The longest an individual has been kept is 9 years, 11 months. |
| 1 | arapaima since 2007-03-01 to 2009-03-01, that's 2 years, 0 months |
| 2 | M.O.F. since 2012-04-01 to 2014-04-01, that's 2 years, 0 months |
| 3 | Redtailrob (k: 2) since 2013-02-24 to 2023-02-09, that's 9 years, 11 months; who writes, "Very active Pim. Territorial. Aggressive for this family" |
| 4 | liamirons since 2014-07-03 to 2016-07-03, that's 2 years, 0 months |
| 5 | Rpul since 2019-02-01 to 2021-02-01, that's 2 years, 0 months |
