Lasiognathus amphirhamphus Pietsch, 2005
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
Lasiognathus amphirhamphus is a species of marine ray-finned fish belonging to the family Thaumatichthyidae, the wolftrap anglers. This species was first formally described in 2005 by the American ichthyologist Theodore Wells Pietsch III and is known from a single Zoological specimen, the holotype, collected from the Madeira Abyssal Plain in the east-central Atlantic Ocean where it occurs at a depth of from 1,200 to 1,305 metres (3,937 to 4,281 ft). The holotype, a female, had a standard length of 15.7 cm (6.2 in). This species is characterized by having only two (as opposed to three) bony hooks on its esca, which are lightly pigmented. The distal escal appendage is elongated and cylindrical with a long, compressed prolongation at the tip as in L. saccostoma. The prolongation has six tiny filaments at the tip and no lateral serrations. The posterior escal appendage is broad and laterally compressed. Its species name is from the Greek for "double hook", referring to its escal hooks.
Wikipedia contributors, Lasiognathus amphirhamphus; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T23:00:02.490115+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Lasiognathus amphirhamphus Pietsch, 2005
- Name authority
- Pietsch, 2005
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Lophiiformes
- Family
- Thaumatichthyidae
- Genus
- Lasiognathus
- 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
- orderLophiiformes
- suborderCeratioidei
- familyThaumatichthyidae Smith & Radcliffe, 1912
- genusLasiognathus Regan, 1925
- speciesLasiognathus amphirhamphus Pietsch, 2005
Close classified relatives
These entries share the source’s genus, Lasiognathus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Lasiognathus dinema Pietsch & Sutton, 2015 | ThaumatichthyidaeChordata | Accepted speciesRecorded extant |
| Lasiognathus beebei Regan & Trewavas, 1932 | ThaumatichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Lasiognathus intermedius Bertelsen & Pietsch, 1996 | ThaumatichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Lasiognathus saccostoma Regan, 1925 | ThaumatichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Lasiognathus waltoni Nolan & Rosenblatt, 1975 | ThaumatichthyidaeChordata | 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.
- Pietsch, T. W. (2005). New species of the ceratioid anglerfish genus Lasiognathus Regan (Lophiiformes: Thaumatichthyidae) from the Eastern North Atlantic off Madeira. Copeia, 2005. https://doi.org/10.1643/ci-04-184r1 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:3SFCG. Classification follows source parent identifiers. English common names may vary by region.