FIGURE 1 in Four new species of Hisonotus (Siluriformes: Loricariidae) from the upper rio Uruguay, southeastern South America, with a review of the genus in the rio Uruguay basin

FIGURE 1. Measurements and terminology: SL, standard length; HL, head length; PdL, predorsal length; DL, dorsalfin spine length; AL, first anal-fin unbranched ray length; PL, pectoral-fin spine length; VL, first pelvic-fin unbranched ray length; CW, cleithral width; TL, thoracic length; AbL, abdominal length; BD, body depth at dorsal-fin origin; CPL, caudal-peduncle length; CPD, caudal-peduncle depth; SnL, snout length; OD, orbital diameter; IW, interorbital width; HD, head depth; SD, suborbital depth; MR, mandibular ramus.