General information |
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| Cynolebias melanotaenia (Regan, 1912) | ||
| Common name | Gaúcho | |
| Valid name | Cynopoecilus melanotaenia (Regan, 1912) | |
| 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; Neoteleostei; Acanthomorphata; Ovalentaria; Atherinomorphae; Cyprinodontiformes; Rivulidae. |
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| Geographical distribution | Brazil; Uruguay |
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| Occurrence | Native: Brazil, Uruguay |
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| Importance | Ornamental |
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| Remarks | Nil |
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Karyological information |
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| Geographical area of study | Camino Indio, Uruguay | |
| Source of chromosomes | Branchia,kidney,intestine,gonads |
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| Number of specimens with sex | 04 (02 males, 02 females) |
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| Diploid chromosome number | 44 |
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| Karyotype formula | 14m,sm+30st,a |
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| Fundamental arm number | 58 |
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| Chromosome length | Not reported |
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| Sex chromosome | Not detected |
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| Chromosome staining/banding/FISH | C-banding on single chromosome pair, NORs on five chromosome pairs |
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| Reference(s) |
Garcia A, Scvortzoff E, Maspoli MC, Vaz-Ferreira R (1993). Analysis of karyotypic evolution in natural populations of Cynolebias (Pisces: Cyprin |ontiformes, Rivulidae) using banding techniques. Cytologia, 58: 85-94. |
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