Measurements used for sclerotised structures of haptor and reproductive organs of Cichlidogyrus sp. VA, ventral anchor, DA, dorsal anchor: a, Total length, b, Length to notch, c, Outer root length, d, Inner root length, e, Point length; H, Hook length; VB, Ventral bar: x, Branch length, w, Branch width; DB, Dorsal bar: h, auricle length, w, maximum straight width, x, total length, y, distance between auricles; MCO, Male copulatory organ: AP, accessory piece straight length, Pe, copulatory tube curved length.