Nemadactylus monodactylus (Carmichael, 1819)
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
St. Paul's fingerfin (Nemadactylus monodactylus), is a species of marine ray-finned fish, traditionally regarded as belonging to the family Cheilodactylidae, the members of which are commonly known as morwongs. It is native to the southwestern Indian Ocean and southeastern Atlantic Ocean.
Wikipedia contributors, St. Paul's fingerfin; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T23:17:46.398315+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Nemadactylus monodactylus (Carmichael, 1819)
- Name authority
- (Carmichael, 1819)
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Centrarchiformes
- Family
- Cheilodactylidae
- Genus
- Nemadactylus
- Extinction status
- Not supplied by this source
Source habitat flags: Marine: yes · Freshwater: no · 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
- familyCheilodactylidae Bonaparte, 1850
- genusNemadactylus Richardson, 1839
- speciesNemadactylus monodactylus (Carmichael, 1819)
Close classified relatives
These entries share the source’s genus, Nemadactylus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Nemadactylus bergi (Norman, 1937) | CheilodactylidaeChordata | Accepted speciesExtinction status not supplied |
| Nemadactylus douglasii (Hector, 1875) | CheilodactylidaeChordata | Accepted speciesExtinction status not supplied |
| Nemadactylus gayi (Kner, 1865) | CheilodactylidaeChordata | Accepted speciesExtinction status not supplied |
| Nemadactylus macropterus (Forster, 1801) | CheilodactylidaeChordata | Accepted speciesExtinction status not supplied |
| Nemadactylus vemae (Penrith, 1967) | CheilodactylidaeChordata | Accepted speciesExtinction status not supplied |
| Nemadactylus valenciennesi (Whitley, 1937) | CheilodactylidaeChordata | 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 |
|---|---|
| Chaetodon monodactylus Carmichael, 1819 Carmichael, 1819 | synonym |
| Acantholatris monodactylus (Carmichael, 1819) (Carmichael, 1819) | 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=281654 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:4668N. Classification follows source parent identifiers. English common names may vary by region.