Table 1 in Description of Neblinichthys brevibracchium and N. echinasus from the upper Mazaruni River, Guyana (Siluriformes: Loricariidae), and recognition of N. roraima and N. yaravi as distinct species
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Table 1. Morphometric features of Neblinichthys brevibracchium, new species (N = 11) and N. echinasus, new species (N = 3). Landmarks are the numbered landmarks in Armbruster (2003). LandmarksFeatureN. brevibracchiumN. echinasusHolotypeMean±SDRangeHolotypeMean±SDRange1-20Standard length (mm)73.368.9±8.958.8-79.982.963.5±17.350.0-82.9Percents of standard length1-10Predorsal length42.046.3±1.540.9-48.047.343.3±1.742.0-45.31-7Head length32.635.0±1.431.1-39.735.432.8±0.332.6-33.17-10Head-dorsal length8.811.4±1.29.4-14.010.710.2±1.78.8-12.08-9Cleithral width27.227.9±1.323.9-29.729.326.8±0.726.0-27.31-12Head-pectoral length28.527.1±1.324.9-30.327.526.7±1.625.4-28.512-13Thorax length24.125.3±1.422.1-28.724.526.0±2.724.1-29.112-29Pectoral-spine length19.321.1±1.517.5-23.620.220.9±1.719.3-22.713-14Abdominal length21.622.5±1.119.5-24.322.022.7±1.421.6-24.313-30Pelvic-spine length21.121.4±1.518.6-24.520.721.3±0.720.8-22.114-15Postanal length31.030.8±1.328.4-33.030.532.4±1.231.0-33.214-31Anal-fin spine length10.211.5±1.39.4-15.012.68.8±2.06.6-10.210-12Dorsal-pectoral distance23.727.6±1.721.1-29.428.224.9±1.123.7-25.910-11Dorsal-spine length22.324.1±1.920.4-27.421.623.9±1.422.3-24.910-13Dorsal-pelvic distance21.521.7±2.116.6-26.122.819.5±2.616.6-21.510-16Dorsal-fin base length27.021.1±1.318.1-22.820.425.4±1.424.3-27.016-17Dorsal-adipose distance19.019.1±1.916.5-26.319.817.4±1.416.4-19.017-18Adipose-spine dength8.17.6±0.86.1-9.57.07.9±0.47.3-8.117-19Adipose-up. caudal distance12.816.2±1.113.4-18.917.115.1±2.012.8-16.815-19Caudal peduncle depth9.09.7±0.88.4-11.310.58.8±0.28.6-9.015-17Adipose-low. caudal distance17.720.7±0.918.8-22.721.720.4±2.417.7-22.214-17Adipose-anal distance19.319.0±0.817.0-20.519.617.9±1.217.0-19.314-16Dorsal-anal distance12.416.4±1.113.7-18.317.812.3±0.311.9-12.513-16Pelvic-dorsal distance22.822.6±1.419.9-26.322.621.0±1.619.6-22.8Percents of head length5-7Head-eye length25.727.5±1.525.4-33.625.427.4±1.525.7-28.24-5Orbit diameter11.611.9±0.810.3-13.511.813.4±1.611.6-14.61-4Snout length49.344.8±1.941.1-48.346.446.7±2.344.8-49.32-3Internares width6.76.2±0.85.0-8.58.56.5±0.36.2-6.75-6Interorbital width40.838.5±1.935.8-42.637.041.0±0.540.7-41.67-12Head depth43.946.7±3.142.6-60.345.744.2±1.143.3-45.51-24Mouth length45.040.6±2.536.4-47.439.643.5±1.741.6-45.021-22Mouth width42.438.0±2.135.1-41.636.141.3±0.940.6-42.422-23Barbel length1.72.2±0.70.8-3.43.31.8±0.41.4-2.225-26Dentary tooth cup length9.811.1±1.08.2-12.98.210.2±2.28.3-12.627-28Premaxillary tooth cup length10.310.3±1.18.2-12.39.29.5±1.57.8-10.4



