Serrasalmus cf. rhombeus ';
General information
 
Serrasalmus cf. rhombeus (Linnaeus, 1766)
 
 
Common nameRedeye piranha, Piranha preta
Valid name Serrasalmus rhombeus (Linnaeus, 1766)
Synonyms
Salmo rhombeus Linnaeus, 1766
Serrasalmus niger Jardine, 1841
Serrasalmo immaculatus Cope, 1878
Serrasalmo paraense Steindachner, 1908
Serrasalmus paraense Steindachner, 1908
Serrasalmo humeralis gracilior Eigenmann, 1915
Serrasalmus boekeri Ahl, 1931
Serrasalmus normani Gery, 1964
Pygocentrus normani (Gery, 1964)
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; Colombia; Peru; Venezuela; Ecuador; Uruguay; Guyana; Suriname; French Guiana
Occurrence Native: Brazil, Colombia, Peru, Venezuela, Ecuador, Uruguay, Guyana, Suriname, French Guiana
Importance
Remarks
Nil
Karyological information
Geographical area of study Central Amazon at Catalao Lake, Marchantaria island, Anavilhanas and Uatuma River in Brazil
Source of chromosomes
Kidney
Number of specimens with sex
Not reported
Diploid chromosome number
58
Karyotype formula
22m+24sm+2st+10a
Fundamental arm number
106
Chromosome length
Not reported
Sex chromosome
Not reported
Chromosome staining/banding/FISH
Multiple Ag-NORs/ 18S rDNA sites on short arms of st/a chromosomes; the 5SrDNA sites on a single chromosome pair. Conspicuous centromeric C- band on metacentric pair 7.
Reference(s)
Nakayama CM, Feldberg E, Bertollo LAC (2012). Karyotype differentiation and cytotaxonomic considerations in species of Serrasalmidae (Characiformes) from the Amazon basin. Neotropical Ichthyology, 10(1): 53-58.