Misc. / News

Corrections of some species names from Dias et al. (2024)

The study “Phylogenetic analyses in the complex Neotropical subfamily Corydoradinae (Siluriformes: Callichthyidae) with a new classification based on morphological and molecular data” by Dias et al. 2024 recently published a long-awaited revision of the popular armoured catfishes. Continue reading

RG Nordbayern: Erik Schiller – Panzerwelse

Am 09.03.24 trafen wir uns in der Sportgaststätte SC 04 Schwabach, zum Vortrag von Erik SCHILLER über Panzerwelse. Es kamen auch einige Gäste, wie z.B. “Nobby” (weiteste Anreise), Peter SCHMID, vom WAT Fulda und von der RG Südbayern zum Vortrag. Pünktlich um 20:00 Uhr begann der Vortrag und ca. 35 Cory-Begeisterte tauchten in ihre Welt ein. Continue reading

The Zebra Otocinclus, a species with two faces

The Zebra Otocinclus is probably the most spectacular and most attractive Otocinclus species for the aquarium hobby. It has been known for some time that there are two forms of the species described in 2004 as O. cocama: one from the lower Río Ucayali and another one from the Río Tigre. Both rivers are tributaries to the Río Marañón, which ultimately flows into the Amazon. While the Ucayali form, on which the description is based, has been exported for the aquarium trade since around the turn of the millennium, it is mainly the Tigre form that has been on the market in recent years, at least in Germany. Both populations can be clearly distinguished by their stripe pattern. The question of whether the populations can also be distinguished morphologically and genetically, and thus also whether they are merely variants of one species or two distinct species, was investigated by Eduardo MEJIA and Roberto E. REIS and recently published. Continue reading