Eustomias trewavasae Norman, 1930
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
Eustomias trewavasae, the deepsea dragonfish, is a small abyssal barbeled dragonfish of the family Stomiidae, found worldwide in tropical and subtropical oceans at depths down to 1,500 m. Its length is up to 26 centimetres (10 in) TL.
Named in honor of Ethelwynn Trewavas (1900-1993), British Museum (Natural History), for her work on the stomiid fishes of the Dana expeditions.
Wikipedia contributors, Eustomias trewavasae; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T22:31:47.520158+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Eustomias trewavasae Norman, 1930
- Name authority
- Norman, 1930
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Stomiiformes
- Family
- Stomiidae
- Genus
- Eustomias
- 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
- orderStomiiformes
- familyStomiidae Bleeker, 1859
- subfamilyMelanostomiinae Parr, 1927
- genusEustomias Vaillant in Filhol, 1884
- speciesEustomias trewavasae Norman, 1930
Close classified relatives
These entries share the source’s genus, Eustomias. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Eustomias achirus Parin & Pokhil'skaya, 1974 | StomiidaeChordata | Accepted speciesExtinction status not supplied |
| Eustomias appositus Gibbs, Clarke & Gomon, 1983 | StomiidaeChordata | Accepted speciesExtinction status not supplied |
| Eustomias arborifer Parr, 1927 | StomiidaeChordata | Accepted speciesExtinction status not supplied |
| Eustomias australensis Gibbs, Clarke & Gomon, 1983 | StomiidaeChordata | Accepted speciesExtinction status not supplied |
| Eustomias austratlanticus Gibbs, Clarke & Gomon, 1983 | StomiidaeChordata | Accepted speciesExtinction status not supplied |
| Eustomias bifilis Gibbs, 1960 | StomiidaeChordata | Accepted speciesExtinction status not supplied |
| Eustomias bigelowi Welsh, 1923 | StomiidaeChordata | Accepted speciesExtinction status not supplied |
| Eustomias bimargaritatus Regan & Trewavas, 1930 | StomiidaeChordata | Accepted speciesExtinction status not supplied |
| Eustomias binghami Parr, 1927 | StomiidaeChordata | Accepted speciesExtinction status not supplied |
| Eustomias borealis Clarke, 2000 | StomiidaeChordata | Accepted speciesExtinction status not supplied |
| Eustomias bulbornatus Gibbs, 1960 | StomiidaeChordata | Accepted speciesExtinction status not supplied |
| Eustomias cirritus Gibbs, Clarke & Gomon, 1983 | StomiidaeChordata | Accepted speciesExtinction status not supplied |
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.
- Norman, J. R. (1930). Oceanic fishes and flatfishes collected in 1925-1927. Discovery Reports, 2: 261–369, Pl. 2. 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:3DBCY. Classification follows source parent identifiers. English common names may vary by region.