Saturday 21 July 2012

Tetragonopterus Chalceus Moenkhausia

Tetragonopterus Chalceus Moenkhausia

In the present study, nuclear DNA content was analyzed in 53 species of Characiformes fish from the Neotropical region. Diploid number ranged from 2n = 48 in Astyanax fasciatus,Gymnocorymbus ternetzi and Hyphessobrycon griemi to 2n = 102 in Potamorhina squamoralevis, with a modal number of 54 chromosomes. Nuclear DNA content ranged from 1.70 ± 0.04 pg of DNA per diploid nucleus in Acestrorhynchus pantaneiro to 3.94 ± 0.09 pg in Tetragonopterus chalceus. A general analysis showed a mean value of 2.9 pg of DNA per diploid nucleus. Very similar DNA content values. 

Tetragonopterus Chalceus Moenkhausia

Tetragonopterus Chalceus Moenkhausia

Tetragonopterus Chalceus Moenkhausia

Tetragonopterus Chalceus Moenkhausia

Tetragonopterus Chalceus Moenkhausia

Tetragonopterus Chalceus Moenkhausia

Tetragonopterus Chalceus Moenkhausia

Tetragonopterus Chalceus Moenkhausia

Tetragonopterus Chalceus Moenkhausia

Tetragonopterus Chalceus Moenkhausia

Tetragonopterus Chalceus Moenkhausia

Tetragonopterus Chalceus Moenkhausia

Tetragonopterus Chalceus Moenkhausia

Tetragonopterus Chalceus Moenkhausia

Tetragonopterus Chalceus Moenkhausia

Tetragonopterus Chalceus Moenkhausia

Tetragonopterus Chalceus Moenkhausia


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