Platysilurus Olallae
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''Platysilurus'' is a
genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
long-whiskered catfish The Pimelodidae, commonly known as the long-whiskered catfishes, are a family of catfishes ( order Siluriformes). Taxonomy The family Pimelodidae has undergone much revision. Currently, it contains about 30 genera and about 90 recognized and kno ...
es native to
South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...
.


Taxonomy

''Platysilurus'' is classified under the "'' Calophysus-
Pimelodus ''Pimelodus'' is a genus of fish in the family (biology), family Pimelodidae native to Central America, Central and South America. Species There are currently 33 recognized species in this genus: * ''Pimelodus absconditus'' María de las Mercede ...
'' clade". Within this clade, it is considered a part of the "Pimelodus-group" of Pimelodids, which also includes ''Pimelodus'', '' Exallodontus'', ''
Duopalatinus ''Duopalatinus'' is a small genus of long-whiskered catfishes native to South America. Species There are currently two recognized species in this genus: * '' Duopalatinus emarginatus'' (Valenciennes, 1840) * '' Duopalatinus peruanus'' Eigenmann ...
'', '' Cheirocerus'', ''
Iheringichthys ''Iheringichthys'' is a small genus of long-whiskered catfish native to South America. Species There are currently three recognized species in this genus:Azpelicueta, M.d.l.M. & Britski, H.A. (2012)Iheringichthys syi ''(Siluriformes: Pimelodidae ...
'', '' Bergiaria'', '' Bagropsis'', ''
Parapimelodus ''Parapimelodus'' is a small genus of long-whiskered catfishes native to South America. Species There are currently two recognized species in this genus: * '' Parapimelodus nigribarbis'' ( Boulenger, 1889) * '' Parapimelodus valenciennis'' ( Lü ...
'', ''
Platystomatichthys ''Platystomatichthys sturio'' is the only species in the genus ''Platystomatichthys'' of the catfish ( order Siluriformes) family Pimelodidae. It is sometimes called the sturgeon catfish. This species occurs in the Amazon Basin and reaches a len ...
'', and ''
Propimelodus ''Propimelodus'' is a genus of South American catfish of the family Pimelodidae. Taxonomy The type species of this genus, ''P. eigenmanni'', was first described in 1946 under the genus ''Pimelodus''. In 2002, the genus ''Propimelodus'' was descr ...
''.


Species

There are currently three recognized species in this genus: * ''
Platysilurus malarmo ''Platysilurus'' is a genus of long-whiskered catfishes native to South America. Taxonomy ''Platysilurus'' is classified under the "'' Calophysus-Pimelodus'' clade". Within this clade, it is considered a part of the "Pimelodus-group" of Pimelo ...
'' Schultz, 1944 * ''
Platysilurus mucosus ''Platysilurus'' is a genus of long-whiskered catfishes native to South America. Taxonomy ''Platysilurus'' is classified under the "'' Calophysus-Pimelodus'' clade". Within this clade, it is considered a part of the "Pimelodus-group" of Pimelo ...
'' ( Vaillant, 1880) * '' Platysilurus olallae'' ( Orcés-V. ( es), 1977)


Distribution

''P. malarmo'' is distributed in the
Lake Maracaibo Lake Maracaibo (Spanish: Lago de Maracaibo; Anu: Coquivacoa) is a lagoon in northwestern Venezuela, the largest lake in South America and one of the oldest on Earth, formed 36 million years ago in the Andes Mountains. The fault in the northern se ...
basin. ''P. mucosus'' inhabits the
Amazon Amazon most often refers to: * Amazons, a tribe of female warriors in Greek mythology * Amazon rainforest, a rainforest covering most of the Amazon basin * Amazon River, in South America * Amazon (company), an American multinational technology c ...
and
Orinoco River The Orinoco () is one of the longest rivers in South America at . Its drainage basin, sometimes known as the Orinoquia, covers , with 76.3 percent of it in Venezuela and the remainder in Colombia. It is the fourth largest river in the wor ...
basins. ''P. olallae'' is found in
Ecuador Ecuador ( ; ; Quechua: ''Ikwayur''; Shuar: ''Ecuador'' or ''Ekuatur''), officially the Republic of Ecuador ( es, República del Ecuador, which literally translates as "Republic of the Equator"; Quechua: ''Ikwadur Ripuwlika''; Shuar: ''Eku ...
.


Description

''P. malarmo'' reaches 70 
centimetre 330px, Different lengths as in respect to the Electromagnetic spectrum, measured by the Metre and its deriveds scales. The Microwave are in-between 1 meter to 1 millimeter. A centimetre (international spelling) or centimeter (American spellin ...
s (28  in) SL. ''P. mucosus'' grows to a length of at least 20 cm (7.9 in) SL.


References

Pimelodidae Fish of South America Fish of the Amazon basin Catfish genera Freshwater fish genera {{catfish-stub