a Ctalamochita River location in Province of Córdoba, Argentina (left and middle images). Asterisk (*) indicate location of the Colorado River in Argentina (in red), the limit of distribution of Hoplias malabaricus and most of Neotropical fishes. Distribution of sampling sites is indicated along headwater basin (right image, black dots) b Representative specimen of Hoplias malabaricus caught in the Ctalamochita River and analyzed in the present study (right picture). All specimens showed the typical morphological feature identifying Hoplias malabaricus, the V-shaped gular region (left picture). Bar = 10 cm.

  Part of: Grassi DJ, Swarça AC, Dergam JA, Pastori MC, Fenocchio AS (2017) Cytogenetic characterization of Hoplias malabaricus (Bloch, 1794) from the Ctalamochita River (Córdoba, Argentina): first evidence for southernmost populations of this species complex and comments on its biogeography. Comparative Cytogenetics 11(1): 15-28. https://doi.org/10.3897/CompCytogen.v11i1.10262