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Tenellus ternetzi Eigenmann, 1925

Image contributors to this species:

Johnny Jensen's Photographic Library (3)

ScotCat Sources:

Etymology = Genus Etymology = Species

Other Sources:

Fishbase Google Search  All Catfish Species Inventory 


Relevant Information:

Tenellus is a new genus, described by Birindelli (2014) to include, Nemadoras trimaculatus, N. leporhinus, N. ternetzi and the new species N. christinae. The snout is constricted, narrowly compressed (gape very small); dorsal profile concave between tip of snout and posterior nares. Aquarium Care: Best kept in groups as they will not do well singularly. Avoid boisterous or aggressive tankmates as this is a shy species that will hide out during the day and appear for food at night under darkness. Provide a dimly lit tank with floating plants. Diet: Tubifex, Daphnia, Cyclops. Once settled in they will take frozen foods, flake and tablet foods. Remarks: This species has still got the previous name of Opsodoras ternatzi in Fishbase but in Catalog of Fishes the new name is accepted.

Common Name:



Nemadoras ternetzi, Opsodoras ternetzi




South America: Amazon River basin. Type locality: Tapajos at Santarem.


12cm. (4¾ins)


22-25°C (72-77°F)




Birindelli, J. L. O. 2014 (16 Sept.) Phylogenetic relationships of the South American Doradoidea (Ostariophysi: Siluriformes). Neotropical Ichthyology v. 12 (no. 3): 451-563 [1-102].
Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628.



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