Parauchenipterus galeatus (Linnaeus, 1766)

Santos, Dayane Petik dos, Felicetti, Denise, Baumgärtner, Lucas, Margarido, Vladimir Pavan, Blanco, Daniel Rodrigues, Moreira-Filho, Orlando & Lui, Roberto Laridondo, 2021, Contributions to the taxonomy of Trachelyopterus (Siluriformes): comparative cytogenetic analysis in three species of Auchenipteridae, Neotropical Ichthyology (e 200115) 19 (1), pp. 1-12 : 5

publication ID

https://doi.org/ 10.1590/1982-0224-2020-0115

DOI

https://doi.org/10.5281/zenodo.10992659

persistent identifier

https://treatment.plazi.org/id/03B68793-FFFD-EE50-E102-FB04FC63FA71

treatment provided by

Felipe

scientific name

Parauchenipterus galeatus
status

 

Parauchenipterus galeatus View in CoL :

Araguaia River basin. Diploid number was 58 chromosomes and karyotype was composed of 20 metacentric, 18 submetacentric, 12 subtelocentric, and 8 acrocentric ( Fig. 1B View FIGURE 1 ). AgNO 3 staining revealed simple NORs allocated in the terminal region on the short arm of the submetacentric pair 24 ( Fig. 1B View FIGURE 1 , in box). C-banding evidenced pale heterochromatin in terminal regions of almost all chromosome pairs ( Fig. 1E View FIGURE 1 ). 18S rDNA-FISH confirmed previous finding by AgNO 3 staining, simple NORs on pair 24. 5S rDNA-FISH detected these sites on short arm of the metacentric chromosome pair 3 ( Fig. 1H View FIGURE 1 ).

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