Tab. 1. Morphometrics of the holotype (UMMZ 143272), twelve paratypes (UMMZ 143271; USNM 143847) and others 306 individuals. Standard length is expressed in mm.
Holotype Paratypes Rio Maquiné Rio Três Forquilhas Rio Mampituba Rio Araranguá
N Min Max Mean SD N Min Max Mean SD N Min Max Mean SD N Min Max Mean SD N Min Max Mean SD
Standard length (mm) 48.68 12 23.25 34.50 28.73 - 30 22.28 73.37 45.96 - 68 20.67 67.61 39.98 - 149 20.54 69.06 39.62 - 59 17.48 66.01 38.93 -
Percents of Standard Length
Predorsal length 51.01 12 51.01 53.57 52.21 0.84 30 48.97 53.44 50.74 1.12 68 48.25 54.32 51.10 1.27 149 47.94 56.47 51.43 1.38 59 34.33 56.85 50.77 2.56
Prepelvic length 44.36 12 44.36 50.88 47.52 1.61 30 45.11 50.25 47.56 1.24 67 44.93 52.34 47.61 1.32 149 44.67 51.99 47.79 1.61 59 45.17 50.45 47.80 1.19
Prepectoral length 22.99 12 23.50 25.65 24.92 0.72 30 21.72 27.74 24.33 1.68 67 21.08 30.20 24.83 2.11 149 21.64 30.45 25.00 2.18 59 22.52 30.78 25.60 1.77
Preanal length 59.85 12 59.85 64.25 62.08 1.31 30 58.48 66.25 63.16 1.63 68 59.16 66.32 62.72 1.45 149 57.89 66.88 62.15 1.87 59 57.54 66.49 62.57 1.85
Body depth 24.43 12 24.43 27.88 26.21 0.94 30 24.37 32.55 29.03 2.25 68 23.61 33.57 28.03 2.34 149 23.15 34.71 28.21 2.20 59 20.48 32.84 27.89 2.77
Caudal peduncule depth 8.34 12 8.34 10.20 9.28 0.57 30 9.45 11.87 10.59 0.68 68 8.10 12.21 10.28 0.90 149 8.23 16.27 10.60 0.90 59 7.32 12.09 10.38 1.02
Caudal peduncule length 15.85 12 15.85 18.55 17.39 0.92 30 14.57 21.23 17.67 1.76 68 9.59 20.53 17.14 1.59 149 11.78 20.84 17.31 1.25 59 13.97 20.28 17.55 1.45
Anal-fin base length 19.04 12 21.34 27.14 23.31 1.51 30 16.85 24.97 21.32 1.66 68 17.75 24.65 21.83 1.46 149 19.02 29.08 22.40 1.52 59 17.52 27.27 21.81 1.55
Anal-fin depth 18.18 12 18.65 22.41 20.60 1.03 30 15.50 21.98 18.84 1.75 68 16.29 24.34 19.57 1.71 149 13.21 25.39 19.92 1.75 59 17.22 24.64 19.82 1.51
Dorsal-fin base length 11.26 12 11.26 14.49 12.48 1.11 30 10.82 14.86 12.72 1.34 68 9.92 19.40 12.88 1.48 149 8.80 17.40 12.81 1.32 59 8.44 16.20 12.65 1.42
Dorsal-fin depth 21.16 12 21.33 26.86 24.60 1.78 24 19.86 26.51 24.27 1.71 48 21.79 34.14 24.84 1.78 67 21.29 40.16 25.43 2.57 10 22.60 27.29 24.57 1.47
Pelvic-fin length 13.66 12 13.79 16.99 15.38 0.99 26 12.97 16.44 15.14 0.79 48 11.71 16.69 14.91 1.10 67 12.88 22.19 15.57 1.35 11 14.71 17.03 15.64 0.82
Pectoral-fin length 17.36 12 19.21 25.29 21.93 1.48 24 16.16 22.14 20.00 1.49 47 16.17 23.29 20.06 1.61 66 15.81 27.59 20.51 1.69 11 18.71 23.24 20.78 1.44
Head length 23.15 11 24.09 27.11 25.89 0.93 30 22.16 27.04 25.01 1.27 68 22.30 29.79 25.47 1.75 149 22.50 28.65 25.50 1.54 59 22.99 29.57 25.57 1.21
Percents of Head Length
Snout length 22.10 12 22.10 29.12 25.91 1.85 30 24.48 31.56 27.95 1.76 68 22.11 36.42 26.82 2.66 149 20.21 35.87 25.83 2.24 59 21.45 29.79 25.90 1.81
Maxillary length - - - - - - 30 30.79 43.37 38.08 2.47 68 31.50 41.47 37.09 2.42 149 27.07 42.02 36.54 2.22 59 29.65 40.03 35.77 1.99
Premaxillary length 13.83 12 13.83 20.98 17.41 2.27 30 20.27 30.78 25.60 2.63 68 16.16 32.51 23.39 3.67 142 15.55 30.14 22.60 3.38 59 15.28 28.92 21.06 2.70
Eye diameter 39.25 12 39.25 47.86 43.55 2.56 30 29.37 46.42 38.80 3.50 68 21.10 50.97 40.77 3.98 149 32.92 49.77 41.06 3.10 59 32.90 50.23 41.39 3.10
Interorbital 21.14 12 21.14 30.45 27.42 2.82 30 26.06 38.07 30.83 2.62 68 20.82 38.49 29.71 3.48 149 22.84 48.19 31.13 3.21 59 19.05 33.30 28.87 3.09
Mouth width - - - - - - 30 24.15 34.69 28.55 2.55 68 21.78 37.42 28.65 3.10 149 20.00 36.66 27.81 3.46 58 20.65 33.25 26.45 3.04
Counts
Anal-fin branched rays 15 12 14 16 15.17 0.72 29 13 18 15.72 1.19 68 14 19 16.01 0.98 149 13 18 15.74 0.95 58 14 18 16.19 0.76
Dorsal-fin branched rays 8 12 8 8 8.00 0.00 30 7 10 8.00 0.45 68 7 8 7.97 0.17 149 7 9 7.99 0.14 58 7 8 7.98 0.13
Pelvic-fin branched rays 7 12 7 8 7.08 0.29 30 6 8 6.93 0.37 68 6 8 6.99 0.32 148 6 8 7.02 0.22 57 6 8 6.93 0.32
Pectoral-fin branched rays 10 9 9 12 10.67 0.87 30 11 13 11.90 0.71 68 11 13 12.01 0.44 148 10 14 12.14 0.75 58 10 13 11.71 0.62
Caudal-fin branched rays 19 11 18 19 18.73 0.47 22 18 19 18.95 0.21 68 18 19 18.96 0.21 146 17 20 18.99 0.22 53 17 20 18.96 0.34
Lateral line scales 37 12 35 38 37.50 0.90 27 36 40 37.93 1.07 60 35 40 37.83 0.87 115 36 40 37.97 0.72 46 34 39 37.63 1.12
Rows of scales lateral line/dorsal fin 5 12 4 5 4.92 0.29 28 4 5 4.96 0.19 65 4 5 4.95 0.21 147 4 6 4.99 0.16 54 5 6 5.02 0.14
Rows of scales lateral line/pelvic fin 3 12 3 4 3.58 0.51 28 3 5 3.86 0.59 65 3 5 3.89 0.36 143 3 5 3.80 0.44 54 3 4 3.94 0.23
Rows of scales lateral line/anal fin 4 12 3 4 3.75 0.45 28 3 4 3.82 0.39 66 3 4 3.91 0.29 141 3 4 3.89 0.31 53 4 4 4.00 0.00
Predorsal scales 13 12 10 13 11.33 0.98 30 11 13 11.83 0.70 68 10 14 12.10 0.74 148 10 14 12.05 0.77 55 11 14 12.16 0.81
Circunpeduncular scales 14 12 14 14 14.00 0.00 28 13 14 13.93 0.26 54 13 14 13.96 0.19 116 12 14 13.96 0.24 48 14 14 14.00 0.00
Scale sheath on anal-fin base 5 12 5 7 6.42 0.79 29 4 7 5.83 0.97 68 2 7 5.57 1.23 146 2 8 5.53 1.10 55 1 9 5.55 1.50