| No. | All keepers listed by when they started keeping this species. The longest an individual has been kept is 22 years, 0 months. |
| 1 | arapaimag since 1991-07-24 to 2013-08-22, that's 22 years, 0 months |
| 2 | Dave Rinaldo since 2007-01-21 to 2009-01-21, that's 2 years, 0 months |
| 3 | Silurus since 2007-03-11 to 2009-03-11, that's 2 years, 0 months |
| 4 | Jools (k: 2) since 2007-06-24 to 2009-08-28, that's 2 years, 2 months; who writes, "Fin nippers!" |
| 5 | diburning since 2007-09-16 to 2014-01-04, that's 6 years, 3 months |
| 6 | vriesea since 2007-10-07 to 2008-01-08, that's 0 years, 3 months; who writes, "Bought as "Devil Cat" sold in January." |
| 7 | RobDoran1 since 2007-10-25 to 2009-10-25, that's 2 years, 0 months |
| 8 | yellowcat since 2008-03-10 to 2014-04-25, that's 6 years, 1 months; who writes, "Interesting sexual dimorphism, now fully grown, the female is only 5" long, the males were 12" long but have been sold. All were acquired same time @ 1 1/2"..." |
| 9 | straitjacketstar since 2008-11-23 to 2011-06-22, that's 2 years, 6 months |
| 10 | miles44 (k: 2) since 2009-01-01 to 2014-10-22, that's 5 years, 9 months |
| 11 | pickles4601 since 2010-01-04 to 2012-01-04, that's 2 years, 0 months |
| 12 | Skirge (p: 2) since 2010-07-24 to 2012-07-24, that's 2 years, 0 months |
| 13 | mi-tatsu since 2010-12-27 to 2012-12-27, that's 2 years, 0 months |
| 14 | Birger since 2011-06-18 to 2014-06-10, that's 2 years, 11 months |
| 15 | dmcat (k: 2) since 2012-08-15 to 2020-12-17, that's 8 years, 4 months |
| 16 | amiidae since 2012-11-29 to 2014-11-29, that's 2 years, 0 months |
| 17 | angerygrover since 2013-02-03 to 2020-05-01, that's 7 years, 2 months |
| 18 | chris.west.curtis (p: 2) since 2013-07-30 to 2015-07-30, that's 2 years, 0 months |
| 19 | dethmann since 2014-03-02 to 2016-03-05, that's 2 years, 0 months |
| 20 | miguel mitchel since 2014-07-08 to 2016-07-08, that's 2 years, 0 months |
| 21 | RaIdeX since 2019-12-18 to 2021-12-18, that's 2 years, 0 months |
| 22 | N_F_S since 2024-04-08 to 2024-11-23, that's 0 years, 7 months |
