Opsariichthys songmaensis Nguyen & Nguyen, 2000
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
Opsariichthys songmaensis is a species of freshwater ray-finned fish belonging to the family Xenocyprididae, the East Asian minnows or sharpbellies. It inhabits Vietnam and has a maximum male length of 10.5 centimetres (4.1 in) and a maximum female length of 7.5 centimetres (3.0 in).
Wikipedia contributors, Opsariichthys songmaensis; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T23:26:11.271098+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Opsariichthys songmaensis Nguyen & Nguyen, 2000
- Name authority
- Nguyen & Nguyen, 2000
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Cypriniformes
- Family
- Cyprinidae
- Genus
- Opsariichthys
- 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
- orderCypriniformes
- familyCyprinidae Rafinesque, 1815
- subfamilyXenocypridinae Günther, 1868
- genusOpsariichthys Bleeker, 1863
- speciesOpsariichthys songmaensis Nguyen & Nguyen, 2000
Close classified relatives
These entries share the source’s genus, Opsariichthys. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Opsariichthys duchuunguyeni Huynh & Chen, 2014 | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Opsariichthys pachycephalus Günther, 1868 | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Opsariichthys evolans (Jordan & Evermann, 1902) | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Opsariichthys macrolepis (Yang & Hwang, 1964) | CyprinidaeChordata | 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.
- Nguyen, V. H., & Nguyen, H. D. (2000). Giong ca chao Opsariichthys o Viet Nam va mo ta 2 loai moi thuoc giong nay. [Two new species of the fish genus of Opsariichthys from Vietnam.]. Tap Chí Sinh Hoc (Journal of Biology), 22 (4): 12–16. [In Vietnamese, English summary.]. 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:6SRX8. Classification follows source parent identifiers. English common names may vary by region.