Table 1. Morphometric and meristic data of holotype and the seven paratypes of Trichomycterus dali. SD, standard deviation. Ray counts of type C&S specimens. *On the right pectoral fin, count ray was, as in the paratype, I,9.
|
Holotype |
Range (n=8) |
Mean |
SD |
| Standard length |
78.9 |
21.63-100.9 |
58.3 |
25.4 |
| Percents of Standard length |
| Total length |
114.9 |
114.6-120.6 |
116.7 |
2.1 |
| Predorsal length |
59.8 |
57.6-64.6 |
61.1 |
2.8 |
| Preanal length |
71.6 |
71.3-75.1 |
72.3 |
1.2 |
| Prepelvic length |
59.5 |
55.8-62.2 |
58.9 |
2.0 |
| Caudal peduncle length |
22.1 |
20.6-23.1 |
21.7 |
0.8 |
| Caudal peduncle depth |
16.8 |
14.2-19.3 |
17.2 |
1.5 |
| Dorsal-fin base length |
11.1 |
10.3-12.7 |
11.1 |
0.8 |
| Anal-fin base length |
8.0 |
7.9-10.2 |
8.5 |
0.8 |
| Pectoral-fin base length |
5.7 |
5.0-6.7 |
5.9 |
0.6 |
| Pelvic-fin base length |
2.7 |
2.5-3.3 |
2.9 |
0.2 |
| Dorsal-fin length |
17.1 |
15.6-19.5 |
17.1 |
1.6 |
| Anal-fin length |
16.1 |
13.8-18.9 |
16.1 |
1.6 |
| Pectoral-fin length |
20.5 |
18.4-23.8 |
20.8 |
2.0 |
| Pelvic-fin length |
10.2 |
9.3-12.5 |
10.7 |
1.0 |
| Head length |
21.1 |
19.9-22.1 |
20.9 |
0.8 |
| Body depth |
13.0 |
11.6-16.6 |
13.6 |
1.7 |
| Body width |
19.3 |
17.9-19.9 |
19.0 |
0.7 |
| Percents of Head length |
| Head depth |
91.1 |
69.6-95.5 |
88.2 |
9.1 |
| Head width |
61.3 |
44.2-74.9 |
63.0 |
10.1 |
| Snout length |
14.0 |
13.1-26.9 |
18.6 |
5.6 |
| Maxillary barbel length |
121.8 |
97.0-131.6 |
112.4 |
12.7 |
| Rictal barbel length |
69.8 |
35.6-71.3 |
61.9 |
12.1 |
| Nasal barbel length |
122.3 |
99.3-143.5 |
121.5 |
16.8 |
| Mouth width |
60.3 |
50.5-60.3 |
55.3 |
3.4 |
| Paratypes C&S |
| Standard length |
|
62.4 |
75.2 |
|
| Ray counts |
| Total dorsal fin |
|
ii, II, 7 |
ii, I, 7 |
|
| Total pectoral fin |
|
I, 9 |
I, 8* |
|
| Total pelvic fin |
|
I, 4 |
I, 4 |
|
| Total anal fin |
|
ii, II, 5 |
i, I, 6 |
|
| Total caudal fin |
vi, I, 5/viii, II, 6 |
vi, 6/iv, II, 6 |