Amphiarius rugispinis (Valenciennes, 1840)
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
Amphiarius rugispinis, the softhead sea catfish, is a species of sea catfish which is found along the northern coast of South America. It is found chiefly in turbid waters of estuaries and around river mouths; it originates from brackish and marine waters of Trinidad and Tobago, Guyana, Suriname, French Guiana, and Brazil. This species grows to about 45 cm (18 in) TL. Reproduction in A. rugispinis appears to be between September and November. The diameter of the eggs is 14–15 millimetres (9⁄16 in), numbering about 30–35 per female.
Wikipedia contributors, Amphiarius rugispinis; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T18:59:37.885092+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Amphiarius rugispinis (Valenciennes, 1840)
- Name authority
- (Valenciennes, 1840)
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Siluriformes
- Family
- Ariidae
- Genus
- Amphiarius
- 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
- orderSiluriformes
- familyAriidae Bleeker, 1858
- subfamilyAriinae Bleeker, 1858
- genusAmphiarius Marceniuk & Menezes, 2007
- speciesAmphiarius rugispinis (Valenciennes, 1840)
Close classified relatives
No other member of this genus is present in the selected snapshot.
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Notarius rugispinis (Valenciennes, 1840) (Valenciennes, 1840) | synonym |
| Cathorops rugispinis (Valenciennes, 1840) (Valenciennes, 1840) | synonym |
| Hexanematichthys rugispinis (Valenciennes, 1840) (Valenciennes, 1840) | synonym |
| Tachysurus atroplumbeus Fowler, 1931 Fowler, 1931 | synonym |
| Arius rugispinis Valenciennes, 1840 Valenciennes, 1840 | 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=279587 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:CZ32. Classification follows source parent identifiers. English common names may vary by region.