TABLE 1 in New species of Pseudacanthicus (Siluriformes: Loricariidae) from the rio Xingu, Amazon, Brazil

TABLE 1 | Morphometric data of Pseudacanthicus nyktos. N = number of specimens; SD = standard deviation. NHRangeMeanSDStandard length (mm)34190.135.4–250.2––Percent of standard lengthPredorsal length3185.8838.0–50.843.22.3Head length3168.6630.9–39.036.11.9Body deep3148.212.9–26.818.43.3Cleithral width3157.1717.2–32.828.92.8Thorax length3150.3620.4–29.325.32.3First pectoral-fin ray length3156.3324.8–34.429.12.3Abdominal length3149.820.0–28.124.21.8First pelvic-fin length3152.0721.6–32.528.62.3Anal length3153.7522.0–34.830.72.8First anal-fin length3137.1716.3–30.720.52.7First dorsal-fin length3158.1928.3–37.332.92.6Dorsal base length3154.1923.9–34.328.12.2Caudal peduncle length3130.1811.5–16.913.71.4Head-dorsal length1216.515.4–12.38.71.8Adipose-spine length1214.566.4–10.08.11.0Dorsal adipose-caudal length1225.688.7–14.112.01.6Ventral adipose-caudal length1238.715.0–21.719.12.1Adipose-anal length1239.9918.1–21.320.21.1Dorsal-anal length1234.2413.8–20.415.82.0Pelvic-dorsal length1259.2817.4–31.225.74.6Percent of head lengthOrbit diameter316.869.4–16.912.82.3Snout length3144.3555.8–71.062.24.4Interorbital length3123.8229.1–39.732.72.4Head deep3145.2436.3–68.850.38.5Mouth length3130.6335.6–52.143.73.6Mouth width3132.0838.1–57.747.64.9