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Hoplisoma tenebrosum Tencatt, Ohara, Carvalho, Grant, Britto, 2025

Image contributors to this species:

Ian Fuller (1) Zierfisch Zentrum Austria (1) G.M Aquatics (1)

ScotCat Sources:

Other Sources:

Relevant Information:

Similar colour patterning as to Brochis bifasciata. Lineage: Placed in Lineage 9, the "short-snouted" species with the designated type species: C. punctatus. The revision and description has constituted in the resurrection of the genus name Hoplisoma (Agassiz, 1846). Due to the new paper in 2025 by Tencatt et al, the CW numbers of CW160 (lineage 8), and CW168 (lineage 1) have now been described as Hoplisoma tenebrosum. Aquarium Care: This is akin to most of this genus, very peaceful, and would be best housed with small to medium tank mates such as Tetras, Rasboras and Danios or in a species tank for breeding purposes. Diet: A good quality flake food and tablet food for adults with sporadic feedings of frozen or live food will keep your Hoplisoma in good health. Etymology: The specific epithet “tenebrosum” derives from the Latin noun “tenebrae”, which means “darkness, gloom”, plus “-osum”, a Latin suffix used to form adjectives from nouns. In Brazil, the adjective tenebrous is often used to describe something that is frightening, gloomy, or malevolent. The name alludes to the powerful toxin released by the new species under stress, which kills any fish kept in the same bag/container during transport. An adjective. Remarks: Still found on some online sources as Brochis sp. (CW160) and Corydoras sp. (CW168).

Common Name:

CW160, CW168

Synonyms:

None

Family:

Callichthyidae

Distribution:

South America: Brazil, Amazonas, Maués, igarapé Água-branca (= Ipixuna) at the confluence with the igarapé Palomita, rio Tapajós basin, rio Amazonas basin.

Size:

Male: 5.5cm (2¼ins) Female: 6.0cm (2½ins)

Temp:

22-26°C (71-79°F)

p.H.

6.0-7.0.

Reference:

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 Ian A. M. Fuller & Hans-Georg Evers (2024). Identifying Corydoradinae Catfish Second Edition. Ian Fuller Enterprises.
Luiz Tencatt, Willian Massaharu Ohara, Vandergleison de Carvalho, Steven Grant, Marcelo Ribeiro de Britto. Two exquisite new species of Hoplisoma (Siluriformes: Callichthyidae) from the rio Tapajós basin, Brazil, with a discussion on the morphology of the mesethmoid within Corydoradinae, Neotropical Ichthyology, 23(1).
www.corydorasworld.com

Family: Callichthyidae Back to Ident-A-Cat Click on Thumbnails

Hoplisoma tenebrosum

Hoplisoma tenebrosum

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