| No. | All keepers listed by when they started keeping this species. The longest an individual has been kept is 18 years, 0 months. |
| 1 | arapaimag (k: 5) since 1995-09-23 to 2013-10-20, that's 18 years, 0 months; who writes, "mine are very shy." |
| 2 | yellowcat since 2006-11-24 to 2013-12-01, that's 7 years, 0 months; who writes, "This fish is similar to h. orestis but it's really not, so far an undetermined species?" |
| 3 | Jools since 2007-01-19 to 2009-10-13, that's 2 years, 8 months |
| 4 | daniel60 (k: 2) since 2007-01-27 to 2015-11-19, that's 8 years, 9 months |
| 5 | Silurus since 2007-03-11 to 2009-03-11, that's 2 years, 0 months |
| 6 | lazymf (p: 2) since 2007-04-19 to 2009-04-19, that's 2 years, 0 months |
| 7 | amiidae since 2008-05-21 to 2010-05-21, that's 2 years, 0 months |
| 8 | big_tank_boy since 2008-09-21 to 2010-09-21, that's 2 years, 0 months |
| 9 | miles44 (k: 8) since 2008-12-14 to 2014-10-22, that's 5 years, 10 months |
| 10 | straitjacketstar (k: 6) since 2008-12-14 to 2010-12-25, that's 2 years, 0 months |
| 11 | Junttis (k: 5) since 2009-02-10 to 2011-12-13, that's 2 years, 10 months |
| 12 | fishhead1992 since 2009-02-24 to 2011-02-24, that's 2 years, 0 months |
| 13 | syno-kev (k: 3) since 2009-05-28 to 2014-04-03, that's 4 years, 10 months; who writes, "3 fish various sizes the largest being about 6 inches." |
| 14 | Altifrons since 2009-06-02 to 2011-06-02, that's 2 years, 0 months |
| 15 | tezr since 2009-06-21 to 2011-06-21, that's 2 years, 0 months |
| 16 | mattholmes320 (k: 2) since 2010-04-29 to 2012-04-29, that's 2 years, 0 months |
| 17 | blueface1 since 2010-07-18 to 2012-05-09, that's 1 years, 9 months |
| 18 | Dave Rinaldo (k: 7) since 2011-10-25 to 2013-10-25, that's 2 years, 0 months |
| 19 | Martin S (k: 2) since 2012-04-11 to 2015-03-09, that's 2 years, 10 months |
| 20 | Watersprite (k: 5) since 2012-04-23 to 2014-06-18, that's 2 years, 1 months; who writes, "These fish seem to require aged aquarium water." |
| 21 | MeglaAlex (p: 2, k: 3) since 2012-12-04 to 2014-12-19, that's 2 years, 0 months |
| 22 | TerriV (k: 3) since 2015-02-28 to 2017-10-06, that's 2 years, 7 months |
| 23 | Arron_N (k: 2) since 2015-03-09 to 2017-03-13, that's 2 years, 0 months |
| 24 | JamesStuddart (k: 2) since 2017-01-01 to 2020-01-03, that's 3 years, 0 months |
| 25 | evojoey since 2018-01-14 to 2020-01-14, that's 2 years, 0 months |
| 26 | angerygrover since 2018-04-16 to 2020-04-16, that's 2 years, 0 months |
| 27 | Gulper since 2018-06-10 to 2020-06-10, that's 2 years, 0 months |
| 28 | MrFish49 since 2019-02-03 to 2021-02-03, that's 2 years, 0 months |
| 29 | Doradid (k: 3) since 2019-02-24 to 2021-06-10, that's 2 years, 3 months |
| 30 | MarcW (k: 5) since 2019-06-23 to 2024-05-09, that's 4 years, 10 months |
| 31 | WadeNCreeks since 2019-11-22 to 2022-03-28, that's 2 years, 4 months |
| 32 | Yorick K. since 2022-04-27 to 2024-05-09, that's 2 years, 0 months |
