Acarichthys heckelii (Müller & Troschel, 1849)
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
The threadfin acara (Acarichthys heckelii), also known as Heckel's thread-finned acara, is a South American species of cichlid fish. It is the only member of the genus Acarichthys and is native to rivers in the Amazon and Essequibo basins in tropical South America, and has become established in southeastern Asia. It is sometimes found in the aquarium trade.
Wikipedia contributors, Threadfin acara; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T18:56:25.775181+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Acarichthys heckelii (Müller & Troschel, 1849)
- Name authority
- (Müller & Troschel, 1849)
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Cichliformes
- Family
- Cichlidae
- Genus
- Acarichthys
- 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
- orderCichliformes
- familyCichlidae Bonaparte, 1835
- subfamilyCichlinae Bonaparte, 1835
- genusAcarichthys Eigenmann, 1912
- speciesAcarichthys heckelii (Müller & Troschel, 1849)
Close classified relatives
No other member of this genus is present in the selected snapshot.
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Geophagus thayeri Steindachner, 1875 Steindachner, 1875 | synonym |
| Acarichthys heckeli (Müller & Troschel, 1849) (Müller & Troschel, 1849) | synonym |
| Acara heckelii Müller & Troschel, 1849 Müller & Troschel, 1849 | synonym |
| Acara subocularis Cope, 1878 Cope, 1878 | synonym |
| Acarichthys heckelli (Müller & Troschel, 1849) (Müller & Troschel, 1849) | 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=1020157 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:64G3S. Classification follows source parent identifiers. English common names may vary by region.