Hassar Shewellkeimi

	Hassar Shewellkeimi Hassar may be: * A common name for ''Callichthys callichthys''. * A common name for ''Hoplosternum littorale''. * ''Hassar'' (fish), a genus of doradid catfishes. * Abu Bakr al-Hassar Al-Hassar or Abu Bakr Muhammad ibn Abdallah ibn Ayyash al-Hassar ( ar, أبو بكر محمد ابن عياش الحصَار) was a 12th-century Moroccan mathematician. He is the author of two books ''Kitab al-bayan wat-tadhkar'' (Book of Demonstr ... , 11th century Muslim mathematician who first used the fraction bar. {{disambig ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Callichthys Callichthys ''Callichthys callichthys'', the cascarudo, armored catfish, bubblenest catfish, hassar, or mailed catfish, is a subtropical freshwater fish belonging to the subfamily Callichthyinae of the family Callichthyidae. Taxonomy It was originally described as ''Silurus callichthys'' by Linnaeus in 1758. It is likely to represent a species complex. Distribution ''C. callichthys'' is distributed in all major river drainages of South America. It is very wide-ranging, extending from Trinidad to Buenos Aires, Argentina, including the upper Amazon River and Paraguay River systems. Description The fish will grow in length up to eight inches (20 centimeters). The females are larger and more robust, and are a dull olive-green, while the males are brighter in color, exhibiting a delicate blue or violet sheen laterally, with a more developed and longer pectoral fin spine that is reddish-brown and edged with orange or reddish-orange. Ecology It lives in a variety of water types, from anoxic c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Hoplosternum Littorale ''Hoplosternum littorale'' is a species of catfish (order (biology), order Siluriformes) belonging to the Callichthyinae subfamily of the family (biology), family Callichthyidae. It is known as tamuatá in Brazil, atipa in French Guiana, hassa in Guyana, kwi kwi (or kwie kwie'' in Suriname, cascadu or cascadura in Trinidad and Tobago, and busco or currito in Venezuela. Description ''H. littorale'' is armor-plated and dorso-ventrally compressed. The fish will grow in length up to 24.0 centimetres (9.4 in) fish measurement, TL. Males grow to a larger average and maximum size than females and, during the reproductive season, develop fat deposits in the pectoral fin and an elongated recurved pectoral spine that often assumes a reddish colour. Males with recurved pectoral spines are not found outside of the reproductive period. Distribution ''H. littorale'' has the widest distribution of any callichthyid. It is present in all of South America east of the Andes and north of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Hassar (fish) ''Hassar'' is a genus of thorny catfishes native to South America. Species There are currently five recognized species in this genus: * '' Hassar affinis'' (Steindachner, 1881) * '' Hassar gabiru'' Birindelli, Fayal & Wosiacki, 2011 * '' Hassar orestis'' (Steindachner, 1875) * '' Hassar shewellkeimi'' Sabaj Pérez & Birindelli, 2013Sabaj Pérez, M.H. & Birindelli, J.L.O. (2013): ''Hassar shewellkeimi'', a new species of thorny catfish (Siluriformes: Doradidae) from the upper Tapajós basin, Brazil. ''Proceedings of the Academy of Natural Sciences of Philadelphia, 162: 133-156.'' * '' Hassar wilderi'' Kindle Kindle may refer to: Companies and products * Amazon Kindle, an e-reader line by Amazon.com Kindle Direct Publishing, an e-book publishing platform by Amazon Kindle Store, an online e-book e-commerce store by Amazon * Kindle Banking Systems, ..., 1895 Description Like other doradids, ''Hassar'' species have a row of scutes on each side of their body, though the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Doradidae The Doradidae are a family of catfishes also known as thorny catfishes, raphael catfishes or talking catfishes. These fish are native to South America, primarily the Amazon basin and the Guianas. Doradids are omnivorous. Taxonomy As of 2007, 31 genera and 78 species are in this family. '' Wertheimeria'' is considered to be the sister taxon to all other doradids. This family is monophyletic and contains the subfamilies Doradinae, Astrodoradinae and Wertheimerinae.Birindelli, J.L.O. (2014): Phylogenetic relationships of the South American Doradoidea (Ostariophysi: Siluriformes). ''Neotropical Ichthyology 12(3): 451-564''. The Astrodoradinae contain the genera ''Amblydoras'', ''Anadoras'', ''Astrodoras'', '' Hypodoras'', ''Merodoras'', ''Physopyxis'', and ''Scorpiodoras''. Distribution Doradids occur in most South American basins, though they are absent from the Pacific Coast drainages and from coastal drainages south of the Río de la Plata. About 70% of the valid species occur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]