| No. | All keepers listed by when they started keeping this species |
| 1 | arapaimag since 1995-07-20 |
| 2 | arapaima since 2007-03-01 |
| 3 | Occellatus since 2007-08-18 |
| 4 | Simonh1 since 2007-11-24 |
| 5 | janev since 2008-01-03 |
| 6 | Jeox (p: 2) since 2008-02-04 |
| 7 | Junttis (k: 3) since 2008-03-23 |
| 8 | joe.juice13 since 2008-04-01 |
| 9 | zedogz (p: 7) since 2008-08-28 |
| 10 | flowaz since 2008-09-24 |
| 11 | miles44 since 2008-11-10 |
| 12 | fleahound since 2009-02-24 |
| 13 | tezr since 2009-03-10 |
| 14 | SoCalDiscus since 2009-03-29 |
| 15 | bigcatsrus since 2009-04-16 |
| 16 | hampala since 2009-05-29 |
| 17 | jprp since 2009-09-08 |
| 18 | danny.450 since 2010-01-31 |
| 19 | Viktor Jarikov since 2010-02-21; who writes, "came in extremely thin, looks like an apple on a stick but started feeding on bloodworms" |
| 20 | musilvr4eva since 2010-07-31 |
| 21 | markhinch since 2010-08-17 |
| 22 | tiffanyjayne since 2010-11-27 |
| 23 | capester since 2011-09-09 |
| 24 | jeepn4x4 since 2011-12-03 |
| 25 | 2poc (p: 2) since 2012-01-15 |
| 26 | Pcpolo111 since 2012-10-23 |
| 27 | faxling (p: 2, k: 2) since 2015-12-16; who writes, "Mellmans efterträdare" |
| 28 | dopey66 since 2017-10-24 |
| 29 | WadeNCreeks since 2018-02-09 |
| 30 | Fishmandavew (k: 2) since 2018-03-20 |
| 31 | angerygrover (k: 3) since 2018-04-16; who writes, "Kept in community tank with Hydrocynus, Hepsetus, Polypterus, Papyrocranus and Heterotis" |
| 32 | Long Barbels since 2018-11-23 |
| 33 | d3n2 (k: 2) since 2020-02-16 |
| 34 | qui2424 since 2020-10-19 |
