Hassar affinis (Steindachner, 1881)
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
Hassar affinis is a species of thorny catfish endemic to Brazil where it is found in the Parnaiba River basin. This species grows to a length of 20.0 centimetres (7.9 in) SL.
Wikipedia contributors, Hassar affinis; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T22:44:52.820228+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Hassar affinis (Steindachner, 1881)
- Name authority
- (Steindachner, 1881)
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Siluriformes
- Family
- Doradidae
- Genus
- Hassar
- 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
- familyDoradidae Bleeker, 1858
- genusHassar Eigenmann & Eigenmann, 1888
- speciesHassar affinis (Steindachner, 1881)
Close classified relatives
These entries share the source’s genus, Hassar. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Hassar orestis (Steindachner, 1875) | DoradidaeChordata | Accepted speciesExtinction status not supplied |
| Hassar shewellkeimi Sabaj Pérez & Birindelli, 2013 | DoradidaeChordata | Accepted speciesExtinction status not supplied |
| Hassar gabiru Birindelli, Fayal & Wosiacki, 2011 | DoradidaeChordata | Accepted speciesExtinction status not supplied |
| Hassar wilderi Kindle, 1895 | DoradidaeChordata | Accepted speciesExtinction status not supplied |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Hassar iheringi Fowler, 1941 Fowler, 1941 | synonym |
| Hassar woodi Fowler, 1941 Fowler, 1941 | synonym |
| Oxydoras affinis Steindachner, 1881 Steindachner, 1881 | synonym |
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.
- https://www.marinespecies.org/aphia.php?p=taxdetails&id=1014796 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:3JVMW. Classification follows source parent identifiers. English common names may vary by region.