Cat-eLogRight My Cats Registered Keepers Right Otocinclus arnoldi

No. All keepers listed by when they started keeping this species. The longest an individual has been kept is 3 years, 2 months.
1 OregonOutdoorsChris (k: 4) since 2019-01-04 to 2022-03-12, that's 3 years, 2 months; who writes, "Very outgoing and active. These NEED to be imported way more often."
2 N_F_S since 2024-04-05 to 2024-04-26, that's 0 years, 0 months