Cairnsichthys rhombosomoides (Nichols & Raven, 1928)
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 Cairns rainbowfish (Cairnsichthys rhombosomoides) is a species of rainbowfish endemic to Australia. This species is endemic to the wet tropics of north eastern Queensland from the Daintree River and Cape Tribulation in the north south to Innisfail where its occurs in shallow, fast flowing, shady streams over sandy substrates where the roots of trees, woody debris, leaf litter, undercut banks and hydrophytes provide cover.
Wikipedia contributors, Cairns rainbowfish; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T19:13:29.168560+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Cairnsichthys rhombosomoides (Nichols & Raven, 1928)
- Name authority
- (Nichols & Raven, 1928)
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Atheriniformes
- Family
- Melanotaeniidae
- Genus
- Cairnsichthys
- 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
- orderAtheriniformes
- suborderAtherinoidei
- familyMelanotaeniidae Gill, 1894
- genusCairnsichthys Allen, 1980
- speciesCairnsichthys rhombosomoides (Nichols & Raven, 1928)
Close classified relatives
These entries share the source’s genus, Cairnsichthys. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Cairnsichthys bitaeniatus Allen, Hammer & Raadik, 2018 | MelanotaeniidaeChordata | 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 |
|---|---|
| Rhadinocentrus rhombosomoides Nichols & Raven, 1928 Nichols & Raven, 1928 | 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=1016078 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:PBGZ. Classification follows source parent identifiers. English common names may vary by region.