General information |
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| Rhamdia branneri Haseman, 1911 | ||
| Common name | South American catfish | |
| Valid name | Rhamdia quelen (Quoy & Gaimard, 1824) | |
| Synonyms |
- |
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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; Siluriformes; Heptapteridae. |
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| Geographical distribution | Mexico; Brazil; Argentina; Colombia; Peru; Venezuela; Ecuador; Uruguay; Guyana; Suriname; French Guiana; Panama; Costa Rica; Nicaragua; Guatemala; Honduras; Belize; El Salvador; Trinidad and Tobago |
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| Occurrence | Native: Mexico, Brazil, Argentina, Colombia, Peru, Venezuela, Ecuador, Uruguay, Guyana, Suriname, French Guiana, Panama, Costa Rica, Nicaragua, Guatemala, Honduras, Belize, El Salvador, Trinidad and Tobago |
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| Importance | ||
| Remarks | Nil |
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Karyological information |
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| Geographical area of study | Reservoir of the Segredo Hydroelectrical Plant in the region of Guarapuava, (River Iguacu basin) PR, Brazil | |
| Source of chromosomes | Kidney cells |
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| Number of specimens with sex | 13 (10 males;03 Females) |
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| Diploid chromosome number | 58 |
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| Karyotype formula | 36M+14SM+4ST+4A |
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| Fundamental arm number | 112 |
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| Chromosome length | Not reported |
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| Sex chromosome | Not reported |
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| Chromosome staining/banding/FISH | C band pattern in Rhamdia branneri was characterized by heterochromatin blocks in the telomeric region of pairs 5, 9 and 24 and by strong marking in the short arm of pair 29. NORs in the short arm of two chromosome pair |
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| Reference(s) |
Ida H, Oka N,Terashima H, Hayashizaki K (1993). Karyotypes and cellular DNA contents of three species of the family Scombridae from Japan. Nippon Suisan Gakkaishi, 59(8):1319-1323. |
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