Pacific fat sleeper
Dormitator latifrons (Richardson, 1844)
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.
A Pacific fat sleeper caught near Panama City, Panama (November 23, 2024).
Thefishingnomad youtube · CC BY-SA 4.0 · Image sourceProvider-generated thumbnail requested at 800 pixels; no local editing Local WebP display rendition; resized without cropping.
Open encyclopedia reference
Dormitator latifrons, the Pacific fat sleeper, is a species of fish in the family Eleotridae found on the Pacific coast of the Americas from around Palos Verdes, California, to Peru, where it can be found in stagnant or sluggish fresh or brackish waters or nearby marine waters. Males of this species can reach a length of 41 cm (16 in), while females grow to 39 cm (15 in). Most do not exceed 25 cm (9.8 in). A maximum weight of 1.2 kg (2.6 lb) has been recorded. This species is important to local commercial fisheries and is actively farmed.
Wikipedia contributors, Dormitator latifrons; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T08:31:51.724973+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Dormitator latifrons (Richardson, 1844)
- Name authority
- (Richardson, 1844)
- Common name
- Pacific fat sleeper
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Gobiiformes
- Family
- Eleotridae
- Genus
- Dormitator
- 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
- genusDormitator Gill, 1861
- speciesDormitator latifrons (Richardson, 1844)
Close classified relatives
These entries share the source’s genus, Dormitator. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Dormitator lophocephalus Hoedeman, 1951 | EleotridaeChordata | Accepted speciesExtinction status not supplied |
| Dormitator cubanus Ginsburg, 1953 | EleotridaeChordata | Accepted speciesExtinction status not supplied |
| fat sleeperDormitator maculatus (Bloch, 1792) | 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 |
|---|---|
| Hemieleotris carmenensis Nichols, 1952 Nichols, 1952 | synonym |
| Eleotris latifrons Richardson, 1844 Richardson, 1844 | synonym |
| Dormitator latifrons mexicanus Ginsburg, 1953 Ginsburg, 1953 | 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=276408 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.
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:37DQD. Classification follows source parent identifiers. English common names may vary by region.