Hoplias intermedius
General information
 
Hoplias intermedius (Günther, 1864)
 
 
Synonyms
-
IUCN Red List status (2014)
Not Reported
Habitat
-
Systematics
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Characiformes; Characoidei; Erythrinidae.
Geographical distribution
-
Occurrence -
Importance
Remarks
18S rDNA site present on one submetacentric chromosome pair. One homologous chromosome pair bears 5S rDNA site. (GA)15 and (CA)15 microsatellite mapping on chromosome showed scattered signals and a remarkable accumulation in subtelomeric regions of all chromosomes.
Karyological information
Geographical area of study Fish culture facility, Poco Fundo, Grao Mogol, Brazil.
Source of chromosomes
Anterior kidney cells.
Number of specimens with sex
8 (4 male, 4 female)
Diploid chromosome number
50
Karyotype formula
20m+30sm
Fundamental arm number
100
Chromosome length
-
Sex chromosome
-
Chromosome staining/banding/FISH
Ag-NORs sites present on one submetacentric chromosome pair. CMA3 positive sites present on four chromosome pairs at centromeric regions. C-positive heterochromatin blocks observed in centromeric region of all chromosomes and in terminal region of some chromosome pairs.
Reference(s)
de Oliveira EA, Bertollo LAC, Yano CF, Liehr T, de Bello Cioffi M. (2015). Comparative cytogenetics in the genus Hoplias (Characiformes, Erythrinidae) highlights contrasting karyotype evolution among congeneric species. Mol. Cytogenet., 8: 56.