
Table 1. Morphometric and meristic data for Apteronotus magdalenensis. Pooled = 32 non-types combined. USNMBMNHPooledMalesFemales1237951947.7.1.138(n= 32)(n= 13)(n= 15)ParatypesRange MeanRangeMeanRangeMeanTotal length (TL)287335182-396-290-396-273-363-Length to end of anal fin (LEA)252305163-346-258-346-252-320-Percent of length to end of anal finAnal-fin base82.585.280.9-88.185.580.9-88.084.683.2-88.186.4Maximum body depth11.010.29.9-15.512.39.9-14.712.210.9-15.512.3Snout to anus11.19.67.2-12.39.58.7-10.99.97.2-12.29.3Prepectoral-fin distance20.118.013.0-22.318.417.6-19.318.913.0-21.418.3Preanal-fin distance17.515.18.8-19.415.510.4-18.515.911.6-19.415.3Snout to midsaggital dorsal organ63.964.359.4-101.563.460.1-76.666.259.4-77.363.4Pectoral-fin length8.08.66.4-10.57.96.5-9.67.86.7-9.17.9Caudal length13.110.56.9-16.811.99.4-14.511.96.9-16.812.5Head length18.616.99.5-18.616.313.8-17.716.39.5-18.016.3Percent of the head lengthHead width22.824.426.6-51.030.526.6-43.130.427.3-5133.5Head depth at eye24.420.622.5-46.224.623.0-29.424.422.7-46.224.8Head depth at occiput48.553.948.5-98.855.348.5-65.554.950.2-98.860.9Snout length41.539.422.6-44.740.239.4-44.740.222.6-42.640.0Posterior naris to eye25.121.810.0-24.321.514.0-24.321.514.2-23.921.3Posterior naris to snout17.616.79.6-19.516.410.3-19.516.710.5-17.415.4Internarial distance7.37.84.0-9.57.24.5-9.57.24.0-8.26.9Mouth length18.217.014.5-27.419.516.9-22.319.414.5-27.419.5Eye diameter4.74.13.2-6.34.63.2-5.74.83.4-6.34.4Interorbital width3.43.03.8-8.95.04.0-7.45.13.8-8.95.0Branchial opening17.213.814.3-31.617.514.3-22.316.315.6-31.618.1Postorbital distance57.757.251.9-99.658.853.7-99.658.151.9-7058.7Pectoral raysii,17ii,16ii,16-ii,17ii,17Anal rays195192180-213199Precaudal vertebrae141313-14 (n=12)
Published as part of Maldonado-Ocampo, Javier A., Santana, Carlos David de & Crampton, William G. R., 2011, On Apteronotus magdalenensis (Miles, 1945) (Gymnotiformes: Apteronotidae): a poorly known species endemic to the río Magdalena basin, Colombia, pp. 509 in Neotropical Ichthyology 9 (3) on page 509, DOI: 10.1590/S1679-62252011000300005, http://zenodo.org/record/5422944
Biodiversity, Taxonomy
Biodiversity, Taxonomy
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