Acinocheirodon melanogramma Malabarba & Weitzman, 1999
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
Acinocheirodon is a monospecific genus of freshwater ray-finned fish belonging to the family Cheirodontinae, the only species in the genus is Acinocheirodon melanogramma, a characin. This species is found in tributaries of the São Francisco and Jequitinhonha Rivers in Brazil. A. melanogramma is found in clearwater streams with a moderate current and in backwaters. This species has a maximum standard length of 3.8 cm (1.5 in). The populations in the São Francisco River and in the Jequitinhonha River are morphologically distinct.
Wikipedia contributors, Acinocheirodon; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T18:56:49.831619+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Acinocheirodon melanogramma Malabarba & Weitzman, 1999
- Name authority
- Malabarba & Weitzman, 1999
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Characiformes
- Family
- Characidae
- Genus
- Acinocheirodon
- 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
- orderCharaciformes
- suborderCharacoidei
- familyCharacidae Latreille, 1825
- subfamilyCheirodontinae Eigenmann, 1915
- genusAcinocheirodon Malabarba & Weitzman, 1999
- speciesAcinocheirodon melanogramma Malabarba & Weitzman, 1999
Close classified relatives
No other member of this genus is present in the selected snapshot.
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.
- Malabarba, L. R., & Weitzman, S. H. (1999). A new genus and species of South American fishes (Teleostei: Characidae: Cheirodontinae) with a derived caudal fin, including comments about inseminating cheirodontines. Proceedings of the Biological Society of Washington, 112: 410–431. 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:64KMN. Classification follows source parent identifiers. English common names may vary by region.