| No. | All keepers listed by when they started keeping this species. The longest an individual has been kept is 25 years, 0 months. |
| 1 | arapaimag (k: 2) since 1988-06-23 to 2013-06-23, that's 25 years, 0 months |
| 2 | Redtailrob (p: 2, k: 2) since 2007-08-01 to 2010-12-25, that's 3 years, 4 months |
| 3 | CFC since 2007-09-03 to 2009-09-03, that's 2 years, 0 months |
| 4 | tezr since 2009-05-01 to 2011-05-01, that's 2 years, 0 months |
| 5 | DazSH (p: 2) since 2010-11-01 to 2012-11-01, that's 2 years, 0 months |
| 6 | mustang93svt since 2010-12-24 to 2012-12-24, that's 2 years, 0 months |
| 7 | zigster (p: 2) since 2011-04-26 to 2011-08-06, that's 0 years, 3 months |
| 8 | Decker504 since 2011-08-08 to 2013-08-08, that's 2 years, 0 months |
| 9 | TimWheatley since 2011-08-22 to 2013-12-09, that's 2 years, 3 months; who writes, "Haven't seen any aggression whatsoever. Has been kept with: Severum (large and small), Pictus catfish, Bristlenosed Pleco, Synodontis catfish, Ornate Pim catfish." |
| 10 | minipol (k: 3) since 2013-01-24 to 2013-12-16, that's 0 years, 10 months |
| 11 | BMLDN since 2013-12-09 to 2015-12-09, that's 2 years, 0 months |
| 12 | mcaquatic since 2016-02-13 to 2018-02-13, that's 2 years, 0 months |
| 13 | jmtjoy since 2016-03-15 to 2018-04-13, that's 2 years, 0 months |
| 14 | yellowcat since 2016-07-31 to 2017-05-07, that's 0 years, 9 months |
| 15 | dopey66 since 2017-10-24 to 2019-10-24, that's 2 years, 0 months |
| 16 | Gulper since 2017-11-19 to 2019-11-19, that's 2 years, 0 months |
| 17 | Fishmandavew since 2018-03-20 to 2020-03-20, that's 2 years, 0 months |
| 18 | datfish (k: 3) since 2018-04-07 to 2020-10-31, that's 2 years, 6 months; who writes, "Housed alone, a fairly docile animal. Can be timid around larger fish. My trio earn their name while eating; gorging themselves till near bursting, they relentlessly feed. Relatively fast growing, easily an inch per month." |
| 19 | Koltsix since 2020-08-31 to 2022-10-13, that's 2 years, 1 months |
| 20 | Pastoral since 2021-03-22 to 2023-03-22, that's 2 years, 0 months |
| 21 | BarackYomama since 2023-04-27 to 2024-11-21, that's 1 years, 6 months |
| 22 | N_F_S since 2024-04-08 to 2024-11-21, that's 0 years, 7 months |
