General information |
||
| Hemisorubim platyrhynchos (Valenciennes, 1840) | ||
| Common name | Porthole shovelnose catfish, Bico de pato | |
| Synonyms |
Platystoma platyrhynchos Valenciennes, 1840 Hemisorubim platyrhynchus (Valenciennes, 1840) |
|
| IUCN Red List status (2014) | Not Reported |
|
| Habitat | Freshwater |
|
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Pimelodidae. |
|
| Geographical distribution | Brazil; Argentina; Colombia; Peru; Venezuela; Ecuador; Uruguay; Guyana; Suriname; French Guiana |
|
| Occurrence | Native: Brazil, Argentina, Colombia, Peru, Venezuela, Ecuador, Guyana, Suriname, French Guiana Questionable: Uruguay |
|
| Importance | ||
| Remarks | Nil |
|
Karyological information |
||
| Geographical area of study | Parana River, Corrientes State, Argentina; Miranda River, Mato Grosso do Sul State, Brazil | |
| Source of chromosomes | Blood culture |
|
| Number of specimens with sex | 15 (males-08; females-05; undetermined- 02) |
|
| Diploid chromosome number | 56 |
|
| Karyotype formula | 22m+16sm+10st+8a |
|
| Fundamental arm number | 94 |
|
| Chromosome length | Not reported |
|
| Sex chromosome | Not reported |
|
| Chromosome staining/banding/FISH | AgNORs were located terminally on the short arm of a subtelocentric pair that was confirmed by CMA3 and FISH with 18S rDNA probes. C- banding and RE (AluI) banding revealed small amount of heterochromatin in chromosomes. |
|
| Reference(s) |
Swarca AC, Sanchez S, Dias AL, Fenocchio AS (2013). Cytogenetics of the Porthole Shovelnose Catfish,
Hemisorubim platyrhynchos (Valenciennes, 1840) (Siluriformes, Pimelodidae), a widespread species in South American rivers. Comparative Cytogenetics, 7(2): 103–110. |
|