General information |
||
| Aequidens tetramerus (Heckel, 1840) | ||
| Common name | Saddle cichlid, Carà | |
| Synonyms |
Acara tetramerus Heckel, 1840 Chromys uniocellata Castelnau, 1855 Aequidens stollei Miranda Ribeiro, 1918 Acaronia trimaculata Allen, 1942 |
|
| IUCN Red List status (2014) | Not Reported |
|
| Habitat | Freshwater |
|
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Euteleostei; Neoteleostei; Acanthomorpha; Acanthopterygii; Percomorpha; Perciformes; Cichlidae. |
|
| Geographical distribution | Brazil; Colombia; Peru; Venezuela; Ecuador; Guyana; Suriname; French Guiana |
|
| Occurrence | Native: Brazil, Colombia, Peru, Venezuela, Ecuador, Guyana, Suriname, French Guiana |
|
| Importance | Ornamental |
|
| Remarks | Nil |
|
Karyological information |
||
| Geographical area of study | Araguaia river, MT State, Brazil. | |
| Source of chromosomes | Kidney cells. |
|
| Number of specimens with sex | 44 (14 male, 21 female, 9 unidentified) |
|
| Diploid chromosome number | 48 |
|
| Karyotype formula | 12m/sm+36st/a |
|
| Fundamental arm number | - |
|
| Chromosome length | - |
|
| Sex chromosome | - |
|
| Chromosome staining/banding/FISH | C-bands present on pericentromeric regions. One pair of Ag-NOR sites observed. C-blocks corresponded to AgNOR sites and also were consistent with CMA3 positive blocks. |
|
| Reference(s) |
Valente GT, Vitorino Cde A, Cabral-de-Mello DC, Oliveira C, Souza IL, Martins C, Venere PC (2012). Comparative cytogenetics of ten species of cichlid fishes (Teleostei, Cichlidae) from the Araguaia River system, Brazil, by conventional cytogenetic methods. Comp Cytogenet. 6(2): 163-181. |
|