Hassar orestis ';
General information
 
Hassar orestis
 
 
Common nameBotinho
Synonyms

IUCN Red List status (2014)
Not Reported
Habitat
Freshwater
Systematics
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Doradidae.
Geographical distribution
Brazil; Colombia; Peru; Venezuela; Ecuador; Guyana
Occurrence Native: Brazil, Colombia, Peru, Venezuela, Ecuador, Guyana
Importance
Food
Remarks
Nil
Karyological information
Geographical area of study Jari river, Xingu river, Brazil
Source of chromosomes
Kidney
Number of specimens with sex
2 (01 male; 01 femlae)
Diploid chromosome number
58
Karyotype formula
32m+20sm+6st
Fundamental arm number
116
Chromosome length
Not reported
Sex chromosome
Not detected
Chromosome staining/banding/FISH
AgNORs on single chromosome pair at a distal position of short arm on submetacentric chromosomes. CMA3 signals on one chromosome pair. C-bands on three chromosome pairs at centromeric regions.
Reference(s)
Milhomem SSR, de Souza ACP, Nascimento AL do, Carvalho JR Jr., Feldberg E, Pieczarka JC, Nagamachi CY (2008). Cytogenetic studies in fishes of the genera Hassar, Platydoras and Opsodoras (Doradidae, Siluriformes) from Jari and Xingu Rivers, Brazil. Genetics and Molecular Biology, 31(1): 256-260.