Maccullochella mariensis Rowland, 1993
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 Mary River cod (Maccullochella mariensis) is a species of temperate perch native to the coastal Mary River system of southern Queensland, Australia. Mary River cod are one of Australia's most endangered freshwater fishes and are notable for being the most northerly of the four Maccullochella cods found or once found in coastal river systems of eastern Australia.
The endangered status of the fish was one of the reasons that the Traveston Crossing Dam was not able to be built.
The species is very territorial, staying in the same spot for 98% of the time, leaving only to feed and breed.
Wikipedia contributors, Mary River cod; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T23:06:30.478907+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Maccullochella mariensis Rowland, 1993
- Name authority
- Rowland, 1993
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Centrarchiformes
- Family
- Percichthyidae
- Genus
- Maccullochella
- 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
- orderCentrarchiformes
- familyPercichthyidae Jordan & Eigenmann, 1890
- genusMaccullochella Whitley, 1929
- speciesMaccullochella mariensis Rowland, 1993
Close classified relatives
These entries share the source’s genus, Maccullochella. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| trout codMaccullochella macquariensis (Cuvier, 1829) | PercichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Maccullochella ikei Rowland, 1986 | PercichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Murray codMaccullochella peelii (Mitchell, 1838) | PercichthyidaeChordata | 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 |
|---|---|
| Maccullochella peelii mariensis Rowland, 1993 Rowland, 1993 | 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.
- Rowland, S. J. (1993). Maccullochella ikei, an endangered species of freshwater cod (Pisces: Percichthyidae) from the Clarence River system, NSW and M. peelii mariensis, a new subspecies from the Mary River system, Qld. Records of the Australian Museum, 45. https://doi.org/10.3853/j.0067-1975.45.1993.132 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:3WXQF. Classification follows source parent identifiers. English common names may vary by region.