Genidens barbus ';
General information
 
Genidens barbus (Lacepède, 1803)
 
 
Common nameWhite sea catfish, Bagre-branco
Synonyms
-
IUCN Red List status (2014)
Not Reported
Habitat
Saltwater
Systematics
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Ariidae
Geographical distribution
Brazil; Argentina; Uruguay
Occurrence Native: Brazil, Argentina, Uruguay
Importance
Remarks
Karyological information
Geographical area of study Ubatuba, São Paulo, Brazil.
Source of chromosomes
-
Number of specimens with sex
6 (3 male, 3 female)
Diploid chromosome number
56
Karyotype formula
10m+14sm+26st+6a
Fundamental arm number
-
Chromosome length
-
Sex chromosome
-
Chromosome staining/banding/FISH
Ag-NORs were found in a single large-sized subtelocentric chromosome pair on short arm.
Reference(s)
Nirchio M, Martinez ERM, Foresti F and Oliveira C. (2010). Cytogenetic analysis of three sea catfish species (Teleostei, Siluriformes, Ariidae) with the first report of Ag-NOR in this fish family. Genetics and Molecular Biology, 33(2): 262-265.