Tab. 1. Morphometric data for Eigenmannia sayona, new species. Min= minimum; Max= maximum; SD= standard deviation; N= number of specimens measured.
Holotype Min Max Mean SD N
Total length (mm) 160.0 113.8 160.0 - - 13
Length to end of anal fin (mm) 131.8 65.3 131.8 - - 14
Head length (mm) 13.6 9.2 15.8 - - 14
Percentage of LEA
Head length 10.3 10.3 15.1 12.3 1.7 14
Preanal distance 13.5 12.7 18.9 15.2 1.9 14
Prepectoral distance 11.3 11.3 16.3 13.1 1.8 14
Snout to anus 5.6 5.6 8.0 6.8 0.9 14
Body depth at pectoral fin 13.3 12.9 18.8 15.6 2.1 14
Body depth at anal fin 12.1 11.7 16.0 13.9 1.5 14
Body width 4.2 4.1 6.1 4.9 0.8 14
Anal-fin length 89.6 80.0 89.6 85.4 2.1 14
Pectoral-fin length 7.7 7.3 11.2 8.6 1.5 13
Caudal-filament length 22.6 21.2 44.5 34.8 7.9 11
Caudal-filament depth 1.6 1.2 2.6 1.4 0.1 11
Caudal-filament width 1.0 0.7 1.1 0.9 0.1 11
Percentage of HL
Snout length 25.1 22.5 28.3 25.3 1.8 16
Internasal distance 9.5 7.2 10.5 9.0 1.1 16
Snout to posterior naris distance 19.8 16.3 21.0 19.0 1.6 16
Posterior naris to orbit distance 7.3 6.9 9.9 8.1 1.1 16
Internarial width 17.3 14.6 18.4 16.8 1.1 16
Orbital diameter 20.6 17.3 22.4 20.1 1.2 16
Postorbital distance 52.3 50.1 55.5 52.4 1.9 16
Opercular opening 25.9 23.9 32.1 28.2 1.9 16
Suborbital depth 21.3 20.6 26.8 23.2 2.1 16
Interorbital distance 34.0 27.9 37.2 33.2 1.9 16
Head width at opercle 63.3 58.3 66.1 61.4 2.6 16
Head width at orbits 50.9 39.5 50.9 46.3 2.9 16
Head depth at supraoccipital 77.9 74.2 82.3 79.1 2.3 16
Head depth at orbits 58.4 53.9 64.2 58.5 3.1 16
Maxilla length 23.2 15.9 23.2 19.4 2.5 16
Oral width 20.1 18.7 21.7 20.0 1.1 16