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Chasmocranus quadrizonatus Pearson, 1937

 

Image contributors to this species:

Allan James (3) Nathan Lujan (2) Zierfisch Zentrum Austria (1)

ScotCat Sources:

Etymology = Genus

Other Sources:

Search  Fishbase  Catalog of Fishes  Global Biodiversity Information Facility  FishNet2  iNaturalist

Relevant Information:

There are at present (2018)10 species in this poorly known genera. Habitat: Chasmocranus quadrizonatus occurs in the Amazon river basin in Peru (Ortega et al. 2012). Its type locality, and the only locality at which it has been collected, is Tingo de Pauca, in the Marañon River, Peru (Pearson 1937). However, it may also occur downriver from this site. Tropical benthopelagic freshwater fish. It occurs in white waters with sandy grounds or gravel. It does not migrate. Remarks: This species was captured further south in the Rio Madre de Dios region by the image contributor (first three thumbnails: Allan James) in Peru April 2017. This species is listed as Data Deficient in the IUCN Red List of Threatened Species because of a lack of information on its exact range, population status, and the threats that are affecting it.

Common Name:

None

Synonyms:

Heptapterus quadrizonatus

Family:

Heptapteridae

Distribution:

South America: Marañon River basin and Rio Madre de Dios region, Peru.

Size:

5.0cm (2ins)

Temp:

24-28°C (75-83°F)

p.H.

6.0-7.5.

Reference:

Bockmann, F.A. and G.M. Guazzelli 2003 Heptapteridae (Heptapterids). p. 406-431. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil.
Froese, R. and D. Pauly. Editors. 2018. FishBase. World Wide Web electronic publication. www.fishbase.org, ( 02/2018 ).
Velasquez, M. 2016. Chasmocranus quadrizonatus. The IUCN Red List of Threatened Species 2016: e.T49829827A53817488.


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Family: Heptapteridae  Back to Ident-A-Cat  Click on Thumbnails

Click for full image Chasmocranus quadrizonatus
Click for full imageChasmocranus quadrizonatus
Click for full imageChasmocranus quadrizonatus
Head view
Click for full imageChasmocranus quadrizonatus
Click for full imageChasmocranus quadrizonatus
Dorsal view
Click for full imageChasmocranus quadrizonatus

 

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