Table 1 in First record of the genus Tatia (Siluriformes: Auchenipteridae) in freshwaters of Argentina.

Table 1. Morphometric data of ten specimens of Tatia neivai from río Paraná basin and two specimens of Tatia jaracatia from arroyo Deseado.
Tatia neivaiTatia jaracatiaRangeAverageSDRangeStandard length (mm)53.4-81.464.545.0-53.6Percents of standard lengthBody depth20.4-23.121.40.9919.2-28.0Body width17.1-20.218.80.9118.7-21.1Caudal-peduncle depth13.1-14.013.50.3113.4-16.6Caudal peduncle length16.6-245.2.21.52.7420.0-22.0Predorsal length27.6-34.130.72.1229.5-30.4Preanal length64.2-74.769.13.9065.9-71.6Prepelvic length50.5-56.753.72.3054.7-60.0Dorsal origin to pectoral origin20.4-22.922.00.8222.4-23.1Dorsal origin to pelvic origin29.3-33.131.11.4930.8-38.9Pectoral origin to pelvic origin31.4-38.936.12.5935.8-39.6Prepectoral length16.2-22.719.41.8220.7-23.6Dorsal-fin base length8.0-10.79.51.019.5-10.2Adipose-fin base length6.2-11,08.41.497.7-8.3Anal fin base length7.1-11.08.91.479.1-12.0Dorsal-fin spine length13.4-20.517.32.3918.3-19.1Pectoral-fin spine length20.0-25.423.31.8221.3-22.7Poscleithral process length11.3-15.913.21.812.9-14.2First branched pelvic-fin ray9.7-17.512.62.2213.1-14.4Longest anal-fin ray length3.9-10.27.42.337.3-10.2Maxillary-barbel length26.8-39.631.83.7631.2-31.8Outer mental-barbel length6.3-10.58.81.3411.2-11.1Inner mental-barbel length3.9-7.25.80.946.0-6.5Head length19.5-24.821.81.6423.5-25.6Percents of head lengthHead width75.7-77.876.70.973.0-75.7Snout depth50.0-57.051.72.9749.2-55.7Interorbital distance52.3-56.454.61.5654.8-56.5Left internarial width18.1-27.922.52.8019.1-19.8Anterior internarial distance34.6-42.037.82.6628.6-27.8Posterior internarial distance33.5-37.134.91.3135.7-37.4Mouth width50.0-56.853.42.4949.6-52.4Orbital diameter20.5-27.425.22.1622.2-27.8Snout length32.9-36.333.81.4631.3-33.3