Toxabramis argentifer Abbott, 1901

Iftime, Alexandru & Oţel, Vasile, 2025, An annotated systematical checklist of the Romanian ichthyofauna, Zootaxa 5654 (1), pp. 1-64 : 44

Toxabramis argentifer Abbott, 1901

A non-native species, accidentally introduced in aquaculture alongside economically valuable species; nowadays doubtlessly eliminated ( Iftime & Iftime 2021).

ORD. CHARACIFORMES

Fam. Serrasalmidae

Subfam. Colossomatinae

Piaractus brachypomus (Cuvier, 1818)

A non-native species, found in aquaria and occasionally as a release (Danube, SomeȘ, Firiza—see Iftime & Iftime 2021, and literature quoted therein).

Subfam. Serrasalminae

Pygocentrus nattereri Kner, 1858

A non-native species, found in aquaria and occasionally as a release, e.g. in CriȘul Repede ( Nagy et al. 2023).

ORD. SILURIFORMES

Fam. Clariidae

Clarias gariepinus (Burchell, 1822)

A non-native freshwater species, introduced deliberately in aquaculture and as gamefish ( Iftime & Iftime 2021), as summer-only stocking in lakes (see, e.g., Cabane Harghita 2025).