
Specimen image via iDigBio · BY-NC-SA
Dianema
Sign in to saveDianema is a small genus of is a genus of freshwater ray-finned fish belonging to the family Callichthyidae and the subfamily Callichthyinae, the armored catfishes. Dianema was first formally recorded as a genus name in a meeting abtract in 1871 but no formally described species was named until Edward Drinker Cope described the type species, Dianema longibarbis, by monotypy the following year. The genus name is derived from the Greek di, meaning "two", and nema, meaning "filament", an allusion to the two long barbels on the maxilla. The two species of Dianema share approximately the same distr
In the Vinony graph
Within Vinony's link graph, Dianema is referenced by 5 other articles, and connects out to Callichthyidae, Animalia and Greek.
It is catalogued under topics including Callichthyinae, Catfish genera and Catfish of Brazil.
Its subject is documented across 14 Wikipedia language editions.
Species
Genus
- PhylumChordata
- ClassTeleostei
- OrderSiluriformes
- FamilyCallichthyidae
via
Museum specimens
- Specimen records
- 32
- With media
- 13
- Family
- Dianemataceae
- Collections
- BPI, ILLS, TCWC, UMMZ, ANSP, UF
- Recorded in
- United States, Spain, French Guiana, Brazil, Peru, Bolivia, Colombia, Sweden
Wikidata facts
- Image
- Dianema urostriata.JPG
Show 2 more facts
- taxon name
- Dianema
- Commons category
- Dianema
Sources (1)
via Wikidata · CC0
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Encyclopedic overview
2 sectionsContents
- Species
- References
Dianema is a small genus of is a genus of freshwater ray-finned fish belonging to the family Callichthyidae and the subfamily Callichthyinae, the armored catfishes. Dianema was first formally recorded as a genus name in a meeting abtract in 1871 but no formally described species was named until Edward Drinker Cope described the type species, Dianema longibarbis, by monotypy the following year. The genus name is derived from the Greek di, meaning "two", and nema, meaning "filament", an allusion to the two long barbels on the maxilla. The two species of Dianema share approximately the same distribution, and are found in the Amazon River and lower courses of its tributaries. Dianema species have the habit of swimming midwater, as opposed to the bottom as in most callichthyids.
== Species == Dianema contains the following valid species: Dianema longibarbis Cope, 1872 (Porthole catfish) Dianema urostriatum (A. Miranda-Ribeiro, 1912) (Flagtail catfish)
Excerpted from Wikipedia’s “Dianema” article, available under the CC BY-SA 4.0 licence.