Centromochlus is a genus of fish in the family Auchenipteridae native to South America.
Species There are currently 9 recognized species in this genus: Centromochlus akwae Coelho, Chamon & Sarmento-Soares, 2021 Centromochlus carolae (Vari & Ferraris, 2013) Centromochlus existimatus Mees, 1974 Centromochlus heckelii (De Filippi, 1853) Centromochlus macracanthus Soares-Porto, 2000 Centromochlus melanoleucus (Vari & Calegari, 2014) Centromochlus musaicus (Royero-L., 1992) Centromochlus orca Sarmento-Soares, Lazzarotto, Rapp Py-Daniel & Leitão, 2016 Centromochlus schultzi Rössel, 1962
In addition to the described species, an undescribed species of Centromochlus that closely resembles Centromochlus orca is often sold in the tropical fish hobby. This undescribed form is known as Ninja tatia or Ninja woodcat. This "Tatia" fish has some white spots on the upper black-colored body and more white on the tail fin, compared to Centromochlus musaicus.
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