| General information |
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Erythrinus erythrinus (Bloch & Schneider, 1801) |
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| Common name | Iú |
| Synonyms |
Acara imperialis Steindachner, 1879 Erythrinus longipinnis Gunther, 1864 |
| IUCN Red List status (2014) |
Not Reported |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Characiformes; Characoidei; Erythrinidae. |
| Geographical distribution |
Brazil; Argentina; Venezuela; Guyana; Suriname; French Guiana; Trinidad and Tobago |
| Occurrence |
native: Brazil; questionable: Argentina; native: Venezuela; native: Guyana; native: Suriname; native: French Guiana; native: Trinidad and Tobago |
| Importance |
Food |
| Karyological information |
| Record 1 |
| Geographical area of study |
Parana - Plata river basin, Argentina |
| Source of chromosomes |
Kidney |
| Number of specimens with sex |
Not reported |
| Diploid chromosome number |
54 |
| Karyotype formula |
Not reported |
| Fundamental arm number |
Not reported |
| Chromosome length |
Not reported |
| Sex chromosome |
Not reported |
| Chromosome staining/banding/FISH |
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| Reference |
Bertollo LAC, Oliveira C, Molina WF, Margarido VP, Fontes MS, Pastori MC, Falca JN, Fenocchio AS (2004). Chromosome evolution in the erythrinid fish, Erythrinus erythrinus (Teleostei: Characiformes). Heredity, 93: 228-233. |
| Record 2 |
| Geographical area of study |
Birigui,Penapolis, Sao Paulo State, Brazil; Resistencia, Chaco Province, Argentina; Guaira, Parana State, Brazil; Natal, Rio Grande do Norte State, Brazil; Manaus, Amazonas State, Brazil |
| Source of chromosomes |
Kidney |
| Number of specimens with sex |
61 (30 males; 31 females) |
| Diploid chromosome number |
54 |
| Karyotype formula |
6M+2ST+46A {Birigui}; 6M+2ST+46A {Penapolis}; 6M |
| Fundamental arm number |
Not reported |
| Chromosome length |
Not reported |
| Sex chromosome |
Not reported (Birigui & Penapolis); X1X1X2X2 (F); |
| Chromosome staining/banding/FISH |
|
| Reference |
Bertollo LAC, Oliveira C, Molina WF, Margarido VP, Fontes MS, Pastori MC, Falca JN, Fenocchio AS (2004). Chromosome evolution in the erythrinid fish, Erythrinus erythrinus (Teleostei: Characiformes). Heredity, 93: 228-233. |
| Cross Link |