General information |
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| Erythrinus erythrinus (Bloch & Schneider, 1801) | ||
| Common name | Iú | |
| Synonyms |
Acara imperialis Steindachner, 1879 Erythrinus longipinnis Gunther, 1864 |
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| IUCN Red List status (2014) | Not Reported |
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| Habitat | Freshwater |
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| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Characiformes; Characoidei; Erythrinidae. |
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| Geographical distribution | Brazil; Argentina; Venezuela; Guyana; Suriname; French Guiana; Trinidad and Tobago |
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| Occurrence | Native: Brazil, Venezuela, Guyana, Suriname, French Guiana, Trinidad and Tobago Questionable: Argentina |
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| Importance | Food |
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| Remarks | Nil |
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Karyological information |
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| 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 |
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| Number of specimens with sex | 61 (30 males; 31 females) |
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| Diploid chromosome number | 54 |
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| Karyotype formula | 6M+2ST+46A {Birigui}; 6M+2ST+46A {Penapolis}; 6M |
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| Fundamental arm number | Not reported |
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| Chromosome length | Not reported |
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| Sex chromosome | Not reported (Birigui & Penapolis); X1X1X2X2 (F); |
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| Chromosome staining/banding/FISH | ||
| Reference(s) |
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. |
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