Rita (genus)

Rita
Temporal range: Lower Pliocene–Recent
Rita rita
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Bagridae
Genus: Rita
Bleeker, 1854
Synonyms

Gogrius
Day, 1867

Rita is a genus of bagrid catfishes found in southern Asia.

Species

There are currently six species described in this genus:[1]

Two fossil species, R. grandiscutata (Lydekker, 1886) & R. theobaldi (Lydekker, 1886), are known from the Lower Pliocene of the Siwalik Formation in Punjab, India.[2]

Description

The species in this genus are usually between 19 and 30 cm in length with the exception of R. rita (150 cm) and R. sacerdotum (200 cm).[1]

These catfish have a single pair of mandibular barbels, an elongated Weberian apparatus firmly sutured to the basioccipital, and the sensory canal on the posttemporal enclosed with bone.[3]

Ecology

Catfish of this genus are usually found in larger streams and rivers.

References

  1. 1.0 1.1 Froese, Rainer, and Daniel Pauly, eds. (2011). Species of Rita in FishBase. December 2011 version.
  2. http://fishindex.atw.hu/teleostei/clupeomorpha/siluriformes/bagridae.htm
  3. Ng, Heok Hee (2004). "Rita macracanthus, a new riverine catfish (Teleostei: Bagridae) from South Asia" (PDF). Zootaxa 568: 1–12.