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Dianema

Specimen image via iDigBio · BY-NC-SA

EntityQ139521· pop 15· linked from 5 articles

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 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

  1. PhylumChordata
  2. ClassTeleostei
  3. OrderSiluriformes
  4. FamilyCallichthyidae
Habitatfreshwater

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

~1 min read

Encyclopedic overview

2 sections
Contents
  • 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.

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