TABLE 2 | Morphometric data of females of Jenynsia aurea from rio Maquiné (UFRGS 4994) and rio Três Forquilhas (UFRGS 2995), and females of J. unitaenia from rio Mampituba (UFRGS 10850, 12564, 16079, 15888, 25823) and rio Araranguá (UFRGS 6184, 6186, 19916). SD = Standard deviation.
Jenynsia aurea Jenynsia unitaenia
Min Max Mean SD Min Max Mean SD
Standard length (mm) 47.8 73.2 63.68 - 49.9 76.7 66.38 -
Percentage of standard length
Body depth 20.5 23.0 21.8 1.06 20.0 24.4 22.6 1.15
Predorsal length 59.0 65.0 61.6 2.81 57.6 62.5 60.0 1.42
Preanal length 64.4 67.5 65.6 1.39 63.1 69.4 65.8 1.52
Prepelvic length 49.3 51.9 50.5 1.17 46.0 52.2 49.5 1.81
Caudal peduncle length 26.8 30.8 29.2 1.81 26.7 33.0 28.9 1.82
Caudal peduncle depth 12.6 13.5 13.2 0.45 12.4 14.3 13.6 0.55
Anal-fin length 15.0 17.4 15.9 1.02 13.6 16.9 15.6 0.99
Pelvic-fin length 12.8 15.4 13.5 1.31 12.1 14.7 13.2 0.73
Head length 24.3 26.3 25.0 0.90 23.4 26.8 24.5 0.95
Percentage of head length
Horizontal orbit diameter 21.5 29.3 24.8 3.30 21.4 29.3 25.8 1.61
Head depth 42.5 50.0 46.8 3.11 47.8 55.0 51.1 1.89
Interorbital width 41.4 45.7 43.5 1.92 40.3 48.1 44.2 1.92