Serrasalmus spilopleura ';
General information
 
Serrasalmus spilopleura Kner, 1858
 
 
Common nameSpeckled piranha, Piranha
Synonyms
Pygocentrus dulcis Kner, 1860
IUCN Red List status (2014)
Not Reported
Habitat
Freshwater
Systematics
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Characiformes; Serrasalmidae.
Geographical distribution
Brazil; Argentina; Venezuela; Uruguay; Guyana; Suriname; French Guiana
Occurrence Native: Brazil, Argentina
Questionable: Venezuela, Uruguay, Guyana, Suriname, French Guiana
Importance
Food/ornamental
Remarks
Piranha teeth are often used to make tools and weapons by the indigenous population
Karyological information
Geographical area of study Central Amazon basin at the confluence of Solimoes and Negro rivers (Cataloo Lake); Manacapuru river, a tributary of Solimoes river; Amazon river near to Itacoatiara township, Brazil
Source of chromosomes
Not reported
Number of specimens with sex
62 (26 males; 34 females; 02 undetermined)
Diploid chromosome number
60
Karyotype formula
24M+20SM+4ST+12A
Fundamental arm number
108
Chromosome length
Not reported
Sex chromosome
Not detected
Chromosome staining/banding/FISH
C- bands were detected on all chromosomes; NORs were located on the short arms of 10 to 12 acrocentric chromosomes
Reference(s)
Fenocchio AS, Pastori MC, Roncati HA, Filho OM, Bertollo LAC (2003). A Cytogenetic Survey of the Fish Fauna from Argentina. Caryologia, 56(2): 197-204.