TABLE 1 | Morphometric data of males of Jenynsia aurea from rio Maquiné (UFRGS 4994, 18466) and rio Três Forquilhas (UFRGS 6308, 16503, 16534), and males of J. unitaenia from rio Mampituba (UFRGS 15386, 15959, 25823) and rio Araranguá (UFRGS 6184, 12553, 19916, 22961). SD = Standard deviation.
|
Holotype |
Jenynsia aurea |
Jenynsia unitaenia |
|
Min |
Max |
Mean |
SD |
Min |
Max |
Mean |
SD |
| Standard length (mm) |
56.7 |
52.0 |
67.70 |
58.50 |
- |
36.7 |
67.40 |
49.67 |
- |
| Percentage of standard length |
| Body depth |
21.3 |
20.6 |
23.3 |
21.9 |
0.87 |
21.2 |
24.3 |
22.8 |
0.89 |
| Predorsal length |
59.2 |
56.3 |
63.3 |
59.3 |
2.14 |
56.6 |
61.8 |
59.0 |
1.38 |
| Preanal length |
65.3 |
63.2 |
66.8 |
65.5 |
1.37 |
62.3 |
67.6 |
64.6 |
1.31 |
| Prepelvic length |
48.9 |
46.9 |
49.9 |
49.1 |
0.94 |
48.0 |
53.0 |
50.8 |
1.29 |
| Caudal peduncle length |
30.5 |
28.0 |
32.3 |
30.0 |
1.66 |
27.8 |
31.2 |
29.7 |
1.08 |
| Caudal peduncle depth |
13.2 |
13.2 |
15.9 |
14.0 |
0.82 |
13.1 |
15.2 |
14.1 |
0.63 |
| Anal-fin length |
18.2 |
17.9 |
22.7 |
20.1 |
1.80 |
17.7 |
23.9 |
20.8 |
1.63 |
| Pelvic-fin length |
14.6 |
14.5 |
16.3 |
15.0 |
0.57 |
13.4 |
16.7 |
15.3 |
0.79 |
| Head length |
24.5 |
24.2 |
26.7 |
25.2 |
0.82 |
24.3 |
29.7 |
25.9 |
1.31 |
| Percentage of head length |
| Horizontal orbit diameter |
27.3 |
23.4 |
27.3 |
25.4 |
1.24 |
21.5 |
30.2 |
26.3 |
2.38 |
| Head depth |
46.8 |
43.8 |
48.8 |
46.6 |
1.82 |
45.0 |
51.3 |
47.9 |
2.11 |
| Interorbital width |
40.3 |
38.4 |
45.7 |
42.1 |
2.43 |
36.7 |
45.0 |
41.0 |
2.32 |