| General information |
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Rhamdia branneri Haseman, 1911 |
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| Common name | South American catfish |
| Valid name |
Rhamdia quelen (Quoy & Gaimard, 1824) |
| Synonyms |
- |
| IUCN Red List status (2014) |
Not Reported |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Heptapteridae. |
| 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 |
| Occurrence |
native: Mexico; native: Brazil; native: Argentina; native: Colombia; native: Peru; native: Venezuela; native: Ecuador; native: Uruguay; native: Guyana; native: Suriname; native: French Guiana; native: Panama; native: Costa Rica; native: Nicaragua; native: Guatemala; native: Honduras; native: Belize; native: El Salvador; native: Trinidad and Tobago |
| Karyological information |
| 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 |
| Number of specimens with sex |
13 (10 males;03 Females) |
| Diploid chromosome number |
58 |
| Karyotype formula |
36M+14SM+4ST+4A |
| Fundamental arm number |
112 |
| Chromosome length |
Not reported |
| Sex chromosome |
Not reported |
| 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 |
| Reference |
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. |
| Cross Link |