Double-FISH with18S rDNA (red) and 5S rDNA (green) probes and MM/DAPI fluorochromes staining in the chromosomes of Thalassoma noronhanum (a), Halichoeres penrosei (b), Halichoeres poeyi (c), Halichoeres radiatus (d) and Halichoeres brasiliensis (e). Asterisks indicate the chromosome pairs with 18S/5S rDNA arrays. Bar: 5 μm.

 
 
  Part of: Amorim KDJ, Cioffi MB, Bertollo LAC, Soares RX, Souza AS, Costa GWWF, Molina WF (2016) Co-located 18S/5S rDNA arrays: an ancient and unusual chromosomal trait in Julidini species (Labridae, Perciformes). Comparative Cytogenetics 10(4): 555-570. https://doi.org/10.3897/CompCytogen.v10i4.10227