Hisonotus nigricauda
General information
 
Hisonotus nigricauda (Boulenger, 1891)
 
 
Synonyms
-
IUCN Red List status (2014)
Not Reported
Habitat
Freshwater
Systematics
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Loricariidae.
Geographical distribution
Brazil; Uruguay
Occurrence Native: Brazil, Uruguay
Importance
Remarks
Karyological information
Geographical area of study Guaíba river near town of Eldorado do Sul in Rio Grande do Sul state, Brazil.
Source of chromosomes
Kidney and gill tissues.
Number of specimens with sex
8 female
Diploid chromosome number
54
Karyotype formula
26m+20sm+8st
Fundamental arm number
-
Chromosome length
-
Sex chromosome
-
Chromosome staining/banding/FISH
Interstitial Ag-NORs located on long arms of largest metacentric pair. Positive C-banded segments restricted to pericentromeric and terminal regions of several chromosomes.
Reference(s)
Andreata A, Oliveira C, Foresti F (2006). Karyological characterization of four Neotropical fish species of the genus Hisonotus (Teleostei, Loricariidae, Hypoptopomatinae) from distinct Brazilian river basins. Genetics and Molecular Biology, 29(1), 62-66.