Selected male specimens of representatives of the Nothobranchius ugandensis species group (*denotes populations from which karyotype data was determined) A N. nubaensis Wadi Al Ghallah SD 10-5, southern Sudan B N. nubaensis Fugnido EHKS 09-01*, western Ethiopia C N. albertinensis Olobodagi UG 99-23, northwestern Uganda D N. ugandensis Busesa UG 99-5 (red phenotype), southeastern Uganda E N. ugandensis Busesa UG 99-5 (blue/yellow phenotype), southeastern Uganda F N. ugandensis Namasagali UG 99-3* (red phenotype with submarginal band in caudal fin), south-central Uganda G N. derhami Ahero KEN 19-16*, western Kenya H N. attenboroughi Nata TAN 93-3, north-central Tanzania I N. venustus Chato TZN 19-5*, north-central Tanzania J N. moameensis Mabuki TZN 19-8*, north-central Tanzania K N. hoermanni Bumburi TZHK 2018-03*, central Tanzania L N. torgashevi TNT 2014-04*, south-central Tanzania M N. streltsovi TSTS 10-05, south-central Tanzania N N. itigiensis Itigi TAN 03-8*, central Tanzania O N. kardashevi Mpanda K 2011-25*, southwestern Tanzania. The fishes on the photos have a size of 45–50 mm SL (standard length). Photographs by Béla Nagy (A, B, G, I, J–L, O) and Brian Watters (C–F, H, M, N).

 
 
  Part of: Krysanov EY, Nagy B, Watters BR, Sember A, Simanovsky SA (2023) Karyotype differentiation in the Nothobranchius ugandensis species group (Teleostei, Cyprinodontiformes), seasonal fishes from the east African inland plateau, in the context of phylogeny and biogeography. Comparative Cytogenetics 17(1): 13-29. https://doi.org/10.3897/compcytogen.v7.i1.97165