General information |
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Rineloricaria aequalicuspis (Reis, Cardoso, 2001) | ||
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; Loricariidae. |
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Geographical distribution | Brazil |
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Occurrence | Native: Brazil |
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Importance | ||
Remarks | Secondary constriction (sometimes heteromorphic) found on short arm of chromosomal pair 11. |
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Karyological information |
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Geographical area of study | Maquine River–Maquine, Rio Grande do Sul (SATT), Brazil. | |
Source of chromosomes | Kidney cells. |
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Number of specimens with sex | 12 (4 male, 4 female, 4 unidentified) |
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Diploid chromosome number | 68 |
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Karyotype formula | 68st/a |
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Fundamental arm number | ||
Chromosome length | ||
Sex chromosome | ||
Chromosome staining/banding/FISH | C-banding revealed pericentromeric heterochromatin distribution in most chromosomes, and a large block on short arm of chromosome pair 8. 18S rDNA sites found on short arm of pair 8 (coincident with secondary constriction) and multiple sites of 5S rDNA on short arms of pairs 10, 23, 24, 25, 28, 29, 31 and 32. |
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Reference(s) |
Venturelli NB, Takagui FH, Pompeo LRS, Rodriguez MS, da Rosa R, Giuliano-Caetano L. (2021). Cytogenetic markers to understand chromosome diversification and conflicting taxonomic issues in Rineloricaria (Loricariidae: Loricariinae) from Rio Grande do Sul coastal drainages. Biologia 76: 2561–2572. |
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