Table 2. Descriptive morphometrics of Otothyropsis species. Values are given for holotype and paratypes of O. piribebuy and O. marapoama. SD = Standard deviation.
|
Otothyropsis piribebuy |
Otothyropsis piribebuy |
Otothyropsis marapoama |
Otothyropsis marapoama |
|
Males (n = 10) |
Females (n = 9) |
Males (n = 3) |
Females (n = 12) |
|
Low |
High |
Mean |
SD |
Holotype |
Low |
High |
Mean SD |
Low |
High |
Mean |
SD |
Holotype |
Low |
High |
Mean |
SD |
| Standard length (mm) |
22.3 |
24.9 |
23.4 |
- |
28.8 |
22.5 |
28.8 |
26.6 |
- |
20.7 |
26.7 |
24.0 |
- |
37.4 |
20.8 |
37.4 |
26.4 |
- |
| Percents of Standard length |
| Head length |
33.6 |
37.8 |
36.8 |
1.2 |
35.0 |
33.4 |
37.7 |
36.1 |
1.4 |
32.7 |
37.8 |
35.9 |
2.8 |
34.1 |
34.1 |
39.7 |
37.2 |
1.8 |
| Predorsal length |
47.1 |
50.5 |
48.8 |
1.0 |
47.6 |
46.5 |
50.1 |
48.6 |
1.4 |
47.1 |
48.9 |
48.1 |
0.9 |
47.8 |
45.7 |
50.1 |
48.3 |
1.5 |
| Postdorsal length |
38.8 |
42.3 |
40.4 |
1.1 |
40.3 |
39.4 |
42.5 |
40.9 |
1.3 |
39.3 |
43.8 |
41.2 |
2.3 |
39.5 |
39.0 |
45.7 |
41.5 |
2.1 |
| Preanal length |
63.0 |
66.8 |
65.0 |
1.0 |
64.4 |
63.2 |
67.4 |
65.6 |
1.5 |
59.5 |
63.0 |
61.4 |
1.7 |
63.9 |
60.9 |
66.1 |
63.4 |
1.5 |
| Prepelvic length |
42.2 |
46.3 |
44.2 |
1.2 |
43.4 |
43.2 |
46.3 |
44.6 |
1.1 |
41.2 |
43.8 |
42.4 |
1.3 |
40.8 |
40.6 |
45.4 |
43.5 |
1.5 |
| Cleithral width |
22.5 |
25.4 |
24.4 |
0.9 |
23.8 |
23.8 |
26.7 |
25.2 |
0.9 |
24.4 |
25.1 |
24.7 |
0.3 |
24.7 |
23.8 |
25.8 |
24.8 |
0.6 |
| Thorax length |
17.2 |
19.3 |
18.2 |
0.6 |
17.1 |
17.1 |
19.7 |
18.6 |
0.9 |
15.6 |
21.2 |
18.2 |
2.8 |
17.0 |
15.9 |
18.4 |
17.2 |
0.7 |
| Abdomen length |
20.8 |
23.1 |
21.8 |
0.8 |
22.4 |
20.8 |
24.3 |
22.4 |
1.0 |
20.1 |
20.7 |
20.4 |
0.3 |
25.3 |
18.3 |
25.3 |
21.0 |
1.8 |
| Dorsal-fin spine length |
25.4 |
29.8 |
27.4 |
1.2 |
24.8 |
24.8 |
29.1 |
26.9 |
1.3 |
24.3 |
26.3 |
25.4 |
1.0 |
26.0 |
24.2 |
27.7 |
26.0 |
1.2 |
| Dorsal-fin base length |
12.2 |
14.7 |
13.6 |
0.8 |
13.2 |
12.9 |
14.7 |
13.8 |
0.6 |
10.8 |
14.5 |
13.1 |
2.0 |
13.7 |
11.0 |
14.7 |
12.9 |
1.0 |
| Pectoral-fin spine length |
26.7 |
30.4 |
28.1 |
1.0 |
24.9 |
24.9 |
29.9 |
28.2 |
1.5 |
26.1 |
27.4 |
26.8 |
0.6 |
25.2 |
25.2 |
30.5 |
27.8 |
1.7 |
| Pelvic-fin unbranched ray length |
16.8 |
19.7 |
18.3 |
1.0 |
15.0 |
13.7 |
17.3 |
15.5 |
1.1 |
16.4 |
19.6 |
17.8 |
1.6 |
14.5 |
14.5 |
17.1 |
15.9 |
0.9 |
| Anal-fin unbranched ray length |
16.1 |
19.3 |
17.5 |
1.1 |
16.6 |
14.8 |
19.6 |
16.7 |
1.7 |
17.7 |
18.6 |
18.0 |
0.4 |
15.1 |
15.1 |
19.8 |
17.3 |
1.2 |
| Caudal-peduncle length |
28.7 |
32.3 |
30.4 |
1.2 |
30.0 |
28.1 |
31.3 |
30.3 |
1.2 |
28.9 |
31.2 |
30.2 |
1.2 |
29.5 |
28.4 |
35.9 |
30.9 |
2.1 |
| Caudal-peduncle depth |
10.3 |
11.5 |
10.8 |
0.4 |
10.1 |
9.7 |
11.0 |
10.3 |
0.4 |
10.0 |
10.7 |
10.3 |
0.3 |
9.5 |
9.3 |
11.0 |
9.8 |
0.5 |
| Caudal-peduncle width |
6.7 |
7.4 |
7.1 |
0.2 |
6.8 |
5.9 |
7.2 |
6.6 |
0.4 |
4.7 |
7.2 |
5.8 |
1.3 |
6.5 |
4.4 |
6.9 |
5.7 |
0.7 |
| Body depth at dorsal-fin origin |
15.0 |
18.3 |
16.9 |
1.1 |
15.8 |
15.8 |
19.2 |
17.1 |
1.1 |
15.8 |
18.3 |
17.1 |
1.3 |
17.5 |
15.0 |
18.7 |
16.9 |
1.0 |
| Body width at dorsal-fin origin |
16.2 |
19.8 |
18.9 |
1.0 |
19.5 |
19.5 |
22.7 |
21.0 |
0.9 |
17.9 |
19.6 |
18.7 |
0.9 |
22.5 |
16.9 |
23.8 |
20.4 |
2.1 |
| Percents of Head length |
| Head depth |
42.2 |
52.1 |
46.3 |
3.0 |
45.7 |
41.4 |
48.1 |
45.4 |
2.4 |
44.1 |
51.7 |
47.4 |
3.9 |
45.8 |
42.0 |
52.8 |
45.1 |
3.4 |
| Snout length |
47.3 |
50.4 |
48.5 |
1.0 |
50.2 |
47.1 |
53.2 |
50.2 |
1.8 |
44.5 |
50.5 |
47.7 |
3.0 |
48.4 |
47.4 |
50.5 |
48.7 |
1.0 |
| Orbital diameter |
14.0 |
15.1 |
14.4 |
0.3 |
12.3 |
12.3 |
14.1 |
13.1 |
0.6 |
13.6 |
14.4 |
13.9 |
0.4 |
12.3 |
11.3 |
16.0 |
13.1 |
1.2 |
| Interorbital width |
38.8 |
45.8 |
42.3 |
2.1 |
40.9 |
38.4 |
44.0 |
41.2 |
2.0 |
37.3 |
43.4 |
39.5 |
3.3 |
44.7 |
35.9 |
44.7 |
39.1 |
3.1 |
| Internareal width |
6.3 |
10.2 |
8.7 |
1.1 |
14.4 |
12.3 |
15.9 |
13.9 |
1.0 |
10.2 |
13.0 |
11.5 |
1.4 |
12.4 |
10.7 |
13.5 |
12.3 |
0.9 |
| Prenasal length |
28.9 |
32.9 |
30.5 |
1.2 |
35.8 |
31.6 |
36.4 |
34.4 |
1.5 |
28.4 |
33.2 |
31.2 |
2.5 |
30.4 |
29.7 |
34.1 |
31.7 |
1.2 |
| Barbel length |
8.1 |
10.9 |
9.9 |
0.8 |
9.2 |
6.4 |
10.6 |
8.9 |
1.3 |
6.2 |
15.2 |
11.7 |
4.8 |
9.2 |
4.9 |
17.0 |
10.2 |
3.4 |