| No. | All keepers listed by when they started keeping this species. The longest an individual has been kept is 10 years, 5 months. |
| 1 | jippo since 2009-07-31 to 2020-01-07, that's 10 years, 5 months |
| 2 | Junttis (k: 4) since 2010-11-13 to 2014-03-12, that's 3 years, 3 months |
| 3 | Birger (k: 5) since 2012-03-18 to 2014-07-14, that's 2 years, 3 months |
| 4 | coelacanth since 2013-10-05 to 2015-10-05, that's 2 years, 0 months |
| 5 | Kryptic (p: 2, k: 4) since 2016-02-06 to 2017-02-01, that's 0 years, 11 months |
