I am leaning towards .

It's a of some kind.

García-Castro, KL & EJ Márquez, 2024. Temporal analysis of genetic diversity and gene flow in the threatened catfish Pseudoplatystoma magdaleniatum from a dammed Neotropical river. PLOS ONE 19: e0301577. Abstract The striped catfish Pseudoplatystoma magdaleniatum is a large-sized migratory spec...

Guess we have to move to the Ritidae.

This is a big one. Near, TJ & CE Thacker, 2024. Phylogenetic classification of living and fossil ray-finned fishes (Actinopterygii). Bulletin of the Peabody Museum of Natural History 65: 3-302. Abstract Classification of the tremendous diversity of ray-finned fishes (Actinopterygii) began with t...

Rizzi, FP & MH Sabaj, 2024. Description of a new species of Loricaria Linnaeus 1758 (Siluriformes: Loricariidae) from the Orinoco Basin. Proceedings of the Academy of Natural Sciences of Philadelphia 168: 211–220. Abstract Loricaria thomasi , new species, is described from large and predominant...

Mutizwa, TI, WT Kadye, PHN Bragança, T Bere, A Chakona, 2024. Hidden in the riffles: a new suckermouth catfish (Mochokidae, Chiloglanis ) from the middle Zambezi River system, Zimbabwe. ZooKeys 1197: 57–91. Abstract The recent surge in the discovery of hidden diversity within rheophilic taxa, parti...

Costa, WJEM., JLO Mattos, VM Azevedo-Santos, CRM Feltrin, PF Amorim, FP Ottoni, PJ Vilardo & AM Katz, 2024. A poorly known catfish clade in an endangered Neotropical biodiversity hotspot: relationships and distribution patterns of the Cambeva variegata group (Siluriformes: Trichomycteridae). Fi...

Penha, IC, L Seabra, E Prata, T Freitas, LFdA Montag, 2024. Unraveling a specialized diet of an Amazonian catfish in a controlled flood pulse area by combining stomach content and stable isotope analyses. Marine and Freshwater Research Abstract Context: Hydrological dynamics are crucial in fish eco...

Chen, Y-X, H-M Tan, P-C Lin, C Zhang, L Wang L & D-K He, 2024. Taxonomic revision of the Sisoridae (Osteichthyes: Siluriformes) fishes of the lower Yarlung Tsangpo River, with descriptions of three new species and one new record in China. Acta Hydrobiologica Sinica doi:10.7541/2024.2024.0002 Ab...

Costa, WJEM, CRM Feltrin, JLO Mattos & AM Katz, 2024. Relationships and description of a new catfish species from Chapada Diamantina, the northernmost record of Trichomycterus s.s. (Siluriformes, Trichomycteridae). Zoosystematics and Evolution 100: 223-231. Abstract Psammocambeva exhibits the l...

Limeira Filho, D, ERdR França, DKdP Costa, RC Lima, MHSd Nascimento, JdS Batista, MC Barros & EdC Fraga, 2024. Molecular evidence reveals taxonomic uncertainties and cryptic diversity in the Neotropical catfish of the genus Pimelodus (Siluriformes: Pimelodidae). Biology 13: 162. Abstract Pimelo...

This is the only part of that article that would be relevant to you:

Sarkar, UK, DR Tenali, R Chandran & RK Singh, 2024. Discovery of a new glyptosternine catfish Creteuchiloglanis nuthemuensis (Siluriformes: Sisoridae) from the Duphlokho River, Arunachal Pradesh, India. Biology Bulletin Reviews doi: 10.1134/S2079086424020099. Abstract In the present communicati...

Chhuoy, S, K Utsugi, K Pin, S Uy, ZS Hogan, S Chandra, B Chan & PB Ngor, 2024. First specimen-based record of blackskin catfish Clarias meladerma Bleeker, 1846 (Siluriformes: Clariidae) from the Mekong River basin. Cambodian Journal of Natural History 2024: 17–22. No abstract available, link dir...

Ikeya, K & M Kume, 2024. Thirteen-year monitoring reveals that Mekong giant catfish ( Pangasianodon gigas ) has an annual feeding rhythm and a prolonged fasting period. Ichthyological Research doi: 10.1007/s10228-023-00944-y. Abstract The Mekong giant catfish Pangasianodon gigas is endemic to t...

Given the length and thickness of the fin spines in large individuals, I would imagine these would be a nightmare to ship.

bekateen wrote: ↑07 Jan 2024, 02:39 I'm suspecting that these Pseudomystus would like lower water flow, not fast. Is that correct?

Most peat swamp habitats do not have strong water flow.

Ideally, the same kind of setup for , i.e. very soft, very acidic blackwater. Plenty of woodwork and leaf litter.

Chen, W-T, N Hubert, Y-F Li, S-L Zhu, J Wang, D-G Xiang, S Gao, C-N Kou, J-L Wang, T Wang, Z-Q Liang, J-J Wu, X-H Li & J Li, 2023. Mitogenomic phylogeny, biogeography, and cryptic divergence of the genus Silurus (Siluriformes: Siluridae). Zoological Research doi: 10.24272/j.issn.2095-8137.2023....

Tencatt, LFC, S Grant, & RF Bentley, 2023. A new color-changing species of Corydoras (Siluriformes: Callichthyidae) from the rio Jutaí, Brazilian Amazon. Neotropical Ichthyology 21: e230105. Abstract A new species of Corydoras is described from the rio Jutaí, Amazon basin, Brazil. The new speci...

There is apparently a new Glyptothorax described in this self-published book:

Glyptothorax motbungensis

Ardila Rodríguez, CA, 2023. Trichomycterus ardilai sp. nov. T. gambitaensis sp. nov. dos nuevas especies de peces para el departamento de Santander – Colombia. Barranquilla, Departamento del Atlántico, 90: 1-24.

The guy the fish is named after seems familiar. I might have met him before: https://biotopeaquariumproject.com/bap- ... ok-hee-ng/

Singh, P, B R Chowdhury, S D Gurumayum & L Kosygin, 2023. Glyptothorax heokheei , a new species of catfish (Teleostei: Sisoridae) from the Brahmaputra River drainage, Arunachal Pradesh, Northeast India. Zootaxa 5383.75–82. Abstract Glyptothorax heokheei , a new species of sisorid catfish is des...

I have been sent an image of the author with what appears to be physical copies of the "journal".

Londoño-Burbano, A & MR Britto, 2023. Taxonomic revision of Sturisoma Swainson, 1838 (Loricariidae: Loricariinae), with descriptions of four new species. Journal of Fish Biology doi:10.1111/jfb.15627. Abstract A taxonomic revision of Sturisoma is presented. Individuals including both type and n...

The names are accepted as available because no one has bothered to investigate thoroughly if they are Code-compliant. This is exactly the same situation as for Glyptothorax chavomensis until we confirmed that the name is not available.