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The Stegophilinae are a subfamily of catfishes (order Siluriformes) of the family Trichomycteridae. It includes 12 genera: Acanthopoma, Apomatoceros, Haemomaster, Henonemus, Homodiaetus, Megalocentor, Ochmacanthus, Parastegophilus, Pareiodon, Pseudostegophilus, Schultzichthys, and Stegophilus.[1] A monophyletic group within the Stegophilinae is supported by two characteristics of the lateral line, including Acanthopoma, Henonemus, Megalocentor, Pareiodon, Parastegophilus, and Pseudostegophilus. Acanthopoma and Henonemus have a sister group relationship.[2]

Stegophilinae
Ochmacanthus reinhardtii
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Trichomycteridae
Subfamily: Stegophilinae
Günther, 1864
Type genus
Stegophilus
Reinhardt, 1859
Genera[1]

Acanthopoma
Apomatoceros
Haemomaster
Henonemus
Homodiaetus
Megalocentor
Ochmacanthus
Parastegophilus
Pareiodon
Pseudostegophilus
Schultzichthys
Stegophilus

The Stegophilinae are widely distributed in the main South American river basins, including the Amazon, Orinoco, São Francisco, Paraná-Paraguay, and those of southern Brazil.[3] Eight of the genera are distributed in Venezuela.[2]

Stegophilines are sometimes considered candirú, so are considered parasites or semiparasites, because of their peculiar habit of feeding on scales, mucus, or skin of other fishes.[2]


References


  1. "Stegophilinae". Integrated Taxonomic Information System. Retrieved July 12, 2007.
  2. DoNascimiento, Carlos; Provenzano, Francisco (2006). "The Genus Henonemus (Siluriformes: Trichomycteridae) with a Description of a New Species from Venezuela". Copeia. 2006 (2): 198–205. doi:10.1643/0045-8511(2006)6[198:TGHSTW]2.0.CO;2.
  3. Koch, Walter Rudolf (30 September 2002). "Revisão Taxonômica do Gênero Homodiaetus (Teleostei, Siluriformes, Trichomycteridae) (Portuguese)" (PDF). Iheringia, Sér. Zool., Porto Alegre. 92 (3): 33–46. doi:10.1590/s0073-47212002000300004.


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