General information |
Aequidens tetramerus (Heckel, 1840) |
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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; native: Colombia; native: Peru; native: Venezuela; native: Ecuador; native: Guyana; native: Suriname; native: French Guiana |
Importance |
Ornamental |
Karyological information |
Geographical area of study |
Araguaia river, Barra do Garcas, MT, Brazil, Araguaia river, Sao Felix do Araguaia, MT, Brazil |
Source of chromosomes |
Kidney |
Number of specimens with sex |
9 |
Diploid chromosome number |
48 |
Karyotype formula |
12m/sm+36st/a |
Fundamental arm number |
Not reported |
Chromosome length |
Not reported |
Sex chromosome |
Not detected |
Chromosome staining/banding/FISH |
rDNA sites on 2 chromosome pairs (st/a) |
Reference |
Poletto AB, Ferreira IA, Cabral-de-Mello DC, Nakajima RT, Mazzuchelli J, Ribeiro HB, Venere PC, Nirchio M, Kocher TD, Martins C (2010). Chromosome differentiation Patterns During Cichlid Fish Evolution. BMC Genetics, 11: 50. |
Karyology remarks |
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Cross Link |