Table 1. Morphometric data of holotype and paratypes of Trichomycterus payaya (n = 15). The ranges include the holotype. SD = Standard deviation. HolotypeRangeMeanSDStandard length (mm)37.429.2-37.432.7-Total length (mm)43.733.0-43.738.0-Percents of Standard lengthBody depth13.913.2-16.314.41.12Body width10.710.0-14.011.61.21Caudal peduncle depth9.17.5-10.28.80.79Caudal peduncle length19.517.4-22.219.71.18Predorsal length67.664.9-68.566.91.11Preanal length69.366.8-71.868.81.39Prepelvic length58.353.5-58.354.81.81Dorsal-fin base length9.99.9-12.911.40.85Anal-fin base length8.37.8-10.79.20.88Dorsal-caudal length12.17.6-12.510.31.53Nasal barbel length14.212.9-15.914.80.93Maxillary barbel length16.613.8-19.116.31.26Rictal barbel length13.112.6-15.813.70.91Head length20.319.7-22.421.10.81Percents of Head lengthHead width81.678.1-82.980.81.44Head depth42.137.0-43.140.11.85Inteorbital distance25.025.0-29.327.31.52Internarial distance15.811.9-15.814.41.25Internarial width21.421.1-27.324.32.01Snout length35.532.8-38.835.81.74Orbital diameter11.89.6-12.311.20.84Mouth width36.835.6-40.938.41.50

Published as part of Sarmento-Soares, Luisa M., Zanata, Angela M. & Martins-Pinheiro, Ronaldo F., 2011, Trichomycterus payaya, new catfish from headwaters of rio (Siluriformes: Trichomycteridae) Itapicuru, Bahia, Brazil, pp. 264 in Neotropical Ichthyology 9 (2) on page 264, DOI: 10.1590/S1679-62252011000200003, http://zenodo.org/record/4647524