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Ian Fuller (1) Alan Pinkerton (1) Johnny Jensen's Photographic Library (2) Graham Carr (1)

Similar in appearance to Hoplisoma nattereri but is smaller and shorter in the body and lacks the body spot at the base of the dorsal fin. Harder to breed than H. nattereri and the loss of fry is a problem. Not very common in the hobby. Lineage: Placed in Lineage 9, the "short-snouted" species with the designated type species: C. punctatus. A revision in the future would constitute the resurrection of the genus name Hoplisoma (Agassiz, 1846). As of the latest revision (Dias et al 2024) Corydoras baderi has now been placed in Lineage 9 and has the new genus name of Hoplisoma. Aquarium Care: This is akin to most of this genus, very peaceful, and would be best housed with small to medium sized tankmates such as Tetras, Rasboras and Danios or in a species tank for breeding purposes. Best to purchase 6 individuals or more as they will be happier in a group. Diet: Readily accepts a mixed and varied diet which includes granular foods, tablet food, frozen bloodworm and a good quality flake. Etymology: The specific name baderi: In honour of Herbert Bader (Hannover, Germany), “superb aquarist and travel companion” (translation). Remarks: Nijssen described C. baderi a year later (1970) as C. oelemariensis which is now a junior synonym of this species. This species is still found on some online sources as Corydoras baderi.

None

Corydoras oelemariensis, Corydoras baderi

Callichthyidae

South America: Pará State in Brazil and Maroni River in Suriname. Type locality: Brasilien, Staat Para, Rio Paru de Oeste und Bäche beider Missionsstation Tirió (2º12'N, 55º59'W).

Male: 4.5cm (1¾ins) Female: 5.0cm (2ins)

22-26°C (71-79°F)

6.5-7.2.

Alexandrou, Markos & Taylor, Martin. (2011). Evolution, ecology and taxonomy of the Corydoradinae revisited.
Angelica C Dias, Luiz F C Tencatt, Fabio F Roxo, Gabriel de Souza da Costa Silva, Sérgio A Santos, Marcelo R Britto, Martin I Taylor, Claudio Oliveira, Phylogenomic analyses in the complex Neotropical subfamily Corydoradinae (Siluriformes: Callichthyidae) with a new classification based on morphological and molecular data, Zoological Journal of the Linnean Society, 2024;, zlae053.
Burgess, W.E. 1992 Colored atlas of miniature catfish. Every species of Corydoras, Brochis and Aspidoras. T.F.H. Publications, Inc., USA. 224 p.
Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628.
Ian A. M. Fuller & Hans-Georg Evers (2011). Identifying Corydoradinae Catfish Supplement 1. Ian Fuller Enterprises.
The ETYFish Project Fish Name Etymology Database © Christopher Scharpf.