Otothyropsis biamnicus Calegari, Lehmann A. & Reis, 2013
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
Otothyropsis biamnicus is a species of freshwater ray-finned fish belonging to the family Loricariidae, the suckermouth armored catfishes, and the subfamily Hypoptopomatinae, the cascudinhos. This catfish is endemic to Brazil where it has been recorded from tributaries of the Iguaçu River, the Tibagi River and in the Penacho stream, municipality of Ribeirão do Pinhal, which is a small right bank tributary of the Laranjinha River, in the Brazilian states of Paraná and Santa Catarina. This species reaches a standard length of 4 cm (1.6 in). The specific name of this species, biamnicus, roughly translates to "inhabitant of two rivers", which refers to the species' distribution in both the referring to its distribution in both the Iguaçu and Tibagi basins.
Wikipedia contributors, Otothyropsis biamnicus; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T23:28:03.252532+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Otothyropsis biamnicus Calegari, Lehmann A. & Reis, 2013
- Name authority
- Calegari, Lehmann A. & Reis, 2013
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Siluriformes
- Family
- Loricariidae
- Genus
- Otothyropsis
- 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
- orderSiluriformes
- familyLoricariidae Rafinesque, 1815
- subfamilyHypoptopomatinae Eigenmann & Eigenmann, 1890
- genusOtothyropsis Ribeiro, Carvalho & Melo, 2005
- speciesOtothyropsis biamnicus Calegari, Lehmann A. & Reis, 2013
Close classified relatives
These entries share the source’s genus, Otothyropsis. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Otothyropsis alicula Lippert, Calegari & Reis, 2014 | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Otothyropsis marapoama Ribeiro, Carvalho & Melo, 2005 | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Otothyropsis polyodon Calegari, Lehmann A. & Reis, 2013 | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Otothyropsis dialeukos Calegari, Morlis & Reis, 2017 | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Otothyropsis piribebuy Calegari, Lehmann A. & Reis, 2011 | LoricariidaeChordata | 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.
- Calegari, B. B., Lehmann, P. A., & Reis, R. E. (2013). Two new species of cascudinhos of the genus Otothyropsis (Siluriformes: Hypoptopomatinae) from the rio Paraná basin, Brazil. Zootaxa, 3619. https://doi.org/10.11646/zootaxa.3619.2.2 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:6TDNZ. Classification follows source parent identifiers. English common names may vary by region.