| No. | All keepers listed by when they started keeping this species. The longest an individual has been kept is 34 years, 9 months. |
| 1 | arapaimag (k: 7) since 1978-09-16 to 2013-06-23, that's 34 years, 9 months |
| 2 | CFC since 2003-06-01 to 2009-04-27, that's 5 years, 10 months |
| 3 | JAYcarreon since 2007-03-23 to 2009-03-23, that's 2 years, 0 months |
| 4 | Attu since 2007-04-27 to 2009-04-27, that's 2 years, 0 months |
| 5 | darkwolf29a since 2008-02-19 to 2010-02-19, that's 2 years, 0 months |
| 6 | Koltsix since 2008-04-05 to 2010-04-05, that's 2 years, 0 months |
| 7 | kabaltah (k: 3) since 2009-03-03 to 2011-03-03, that's 2 years, 0 months |
| 8 | The.Dark.One since 2009-03-19 to 2010-03-04, that's 0 years, 11 months |
| 9 | Shovelnose (k: 2) since 2009-05-16 to 2011-05-16, that's 2 years, 0 months |
| 10 | dpk2313 since 2010-02-21 to 2012-02-21, that's 2 years, 0 months |
| 11 | miles3 since 2010-05-10 to 2012-05-10, that's 2 years, 0 months |
| 12 | headbanger_jib since 2010-08-16 to 2012-08-16, that's 2 years, 0 months |
| 13 | hockeydude9819 since 2011-05-29 to 2013-05-29, that's 2 years, 0 months |
| 14 | hatiras (p: 2) since 2012-04-20 to 2014-04-20, that's 2 years, 0 months |
| 15 | dmcat since 2012-05-02 to 2015-11-24, that's 3 years, 6 months |
| 16 | Murloc since 2012-08-12 to 2014-08-12, that's 2 years, 0 months |
| 17 | urcysk since 2015-09-04 to 2017-09-04, that's 2 years, 0 months |
| 18 | JasonMDann since 2017-03-21 to 2019-03-21, that's 2 years, 0 months |
| 19 | angerygrover since 2018-04-16 to 2020-04-16, that's 2 years, 0 months |
| 20 | Gulper since 2018-07-15 to 2020-07-15, that's 2 years, 0 months |
| 21 | AmazonTank since 2019-03-14 to 2021-03-14, that's 2 years, 0 months |
| 22 | jakethedog24 since 2023-12-12 to 2024-12-03, that's 0 years, 11 months |
| 23 | N_F_S since 2024-04-04 to 2024-12-03, that's 0 years, 7 months |
