Giuris margaritaceus (Valenciennes, 1837)
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
Giuris margaritaceus, the snakehead gudgeon, Aporos sleeper, or ornate sleeper, is a species of fish in the family Eleotridae found in marine, brackish, and fresh waters from Madagascar to Melanesia. This species grows to a total length of 29 cm (11 in) with a maximum recorded weight of 171 g (6.0 oz). This species is important to the local peoples as a food fish.
Wikipedia contributors, Giuris margaritaceus; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T22:36:49.159131+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Giuris margaritaceus (Valenciennes, 1837)
- Name authority
- (Valenciennes, 1837)
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Gobiiformes
- Family
- Eleotridae
- Genus
- Giuris
- Extinction status
- Not supplied by this source
Source habitat flags: Marine: yes · 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
- orderGobiiformes
- familyEleotridae Bonaparte, 1835
- genusGiuris Sauvage, 1880
- speciesGiuris margaritaceus (Valenciennes, 1837)
Close classified relatives
These entries share the source’s genus, Giuris. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Giuris yahayai Keith & Mennesson, 2020 | EleotridaeChordata | Accepted speciesExtinction status not supplied |
| Giuris charpini Keith & Mennesson, 2020 | EleotridaeChordata | Accepted speciesExtinction status not supplied |
| Giuris tolsoni (Bleeker, 1854) | EleotridaeChordata | 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 |
|---|---|
| Eleotris aporos Bleeker, 1854 Bleeker, 1854 | synonym |
| Eleotris hoedtii Bleeker, 1854 Bleeker, 1854 | synonym |
| Eleotris margaritacea Valenciennes, 1837 Valenciennes, 1837 | synonym |
| Eleotris vanicolensis Sauvage, 1880 Sauvage, 1880 | synonym |
| Giuris margaritacea (Valenciennes, 1837) (Valenciennes, 1837) | synonym |
| Giurus hoedti (Bleeker, 1854) (Bleeker, 1854) | synonym |
| Ophieleotris agilis (Herre, 1927) (Herre, 1927) | synonym |
| Ophiocara aporos (Bleeker, 1854) (Bleeker, 1854) | synonym |
| Eleotris aporocephalus MacLeay, 1884 MacLeay, 1884 | synonym |
| Eleotris planiceps MacLeay, 1883 MacLeay, 1883 | synonym |
| Ophieleotris aporos (Bleeker, 1854) (Bleeker, 1854) | synonym |
| Pohieleotris aporos (Bleeker, 1854) (Bleeker, 1854) | synonym |
| Giurus margaritacea (Valenciennes, 1837) (Valenciennes, 1837) | synonym |
| Ophiocara aporops (Bleeker, 1854) (Bleeker, 1854) | 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=318181 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:3G44C. Classification follows source parent identifiers. English common names may vary by region.