Hypopygus lepturus Hoedeman, 1962
Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.
Open encyclopedia reference
Hypopygus lepturus is a species of freshwater ray-finned fish belonging to the family Rhamphichthyidae, the sand knifefishes. This species is found in South America and is occasionally kept as an aquarium fish. It lives in freshwater and grows up to 10 centimeters long.
Wikipedia contributors, Hypopygus lepturus; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T22:52:09.725532+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Hypopygus lepturus Hoedeman, 1962
- Name authority
- Hoedeman, 1962
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Gymnotiformes
- Family
- Rhamphichthyidae
- Genus
- Hypopygus
- Extinction status
- Not supplied by this source
Source habitat flags: Marine: no · Freshwater: yes · Terrestrial: no. These do not form a complete habitat description.
Classification family tree
Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumChordata
- subphylumVertebrata
- infraphylumGnathostomata
- parvphylumOsteichthyes
- gigaclassActinopterygii
- superclassActinopteri
- classTeleostei
- orderGymnotiformes
- suborderPulseoidei Janzen, Sabaj, Crampton & Lovejoy, 2026
- superfamilyRhamphichthyoidea Regan, 1911
- familyRhamphichthyidae Regan, 1911
- subfamilySteatoginae Albert, 2001
- genusHypopygus Hoedeman, 1962
- speciesHypopygus lepturus Hoedeman, 1962
Close classified relatives
These entries share the source’s genus, Hypopygus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Hypopygus hoedemani de Santana & Crampton, 2011 | RhamphichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Hypopygus neblinae Mago-Leccia, 1994 | RhamphichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Hypopygus ortegai de Santana & Crampton, 2011 | RhamphichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Hypopygus varii Campos-da-Paz, 2018 | RhamphichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Hypopygus benoneae Peixoto, Dutra, de Santana & Wosicki, 2013 | RhamphichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Hypopygus isbruckeri de Santana & Crampton, 2011 | RhamphichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Hypopygus minissimus de Santana & Crampton, 2011 | RhamphichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Hypopygus nijsseni de Santana & Crampton, 2011 | RhamphichthyidaeChordata | Accepted speciesExtinction status not supplied |
Source literature & publication evidence
References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.
- Hoedeman, J. J. (1962). Notes on the ichthyology of Surinam and other Guianas. 11. New gymnotoid fishes from Surinam and French Guiana, with additional records and a key to the groups and species from Guiana. Bulletin of Aquatic Biology, 3 (30): 97–107. Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references
Origins, evidence & remaining research
Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.
Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record. A suitable sourced image remains to be added.
Dataset citation & attribution
This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11
Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.
Stable key: col:3NYBP. Classification follows source parent identifiers. English common names may vary by region.