Silvinichthys gualcamayo

Silvinichthys gualcamayo Fernández, Sanabria & Quiroga, 2013

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drawing shows typical species in Trichomycteridae.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Siluriformes (Catfishes) > Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Eponymy: Dr Silvina Adela Menu-Marque is an Argentinean zoologist at the Department of Biological Sciences, University of Buenos Aires, where her doctorate was awarded (2002). [...] (Ref. 128868), visit book page.

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; demersal. Subtropical

Distribution Territories | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South America: San Juan province in Argentina.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 5.1 cm SL male/unsexed; (Ref. 95056)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 9 - 10; Vertebrae: 38. Caudal peduncle length 22.0-23.9% SL; caudal peduncle expanded posteriorly toward caudal fin; absence of pelvic girdle and pelvic fin; 9-10 dorsal-fin rays (5-6 branched rays); 7 pectoral-fin rays; 38 vertebrae total, 9 opercular odontodes, 20 interopercular odontodes; wide supraorbital tendon bone (Ref. 93164); and the insertion point of the first proximal dorsal-fin pterygiophore posterior to the neural spine of vertebra 22 (Ref. 95056).
Body shape (shape guide): elongated.

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Pinna, Mário de | Collaborators

Fernández, L., E.A. Sanabria, L.B. Quiroga and R.P. Vari, 2014. A new species of Silvinichthys (Siluriformes, Trichomycteridae) lacking pelvic fins from mid-elevation localities of the southern Andes, with comments on the genus. J. Fish Biol. 84(2):372-382. (Ref. 95056)

IUCN Red List Status (Ref. 130435: Version 2025-2)

Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search |