Table 2 (continued on next page). Proportional measurements of type and non-type specimens of Cottus cyclophthalmus sp. nov. from Pregolya, Neman and Venta River systems (Russia, Lithuania). Note: numerator = mean (M) ± standard deviation (SD); denominator = range.
|
Krasnaya R. (n = 9) |
Neris R. (n = 19) |
Zeimena R. (n = 10) |
Siesartis R. (n = 10) |
Šerkšnė R. (n = 10) |
|
Type specimens |
|
Non-type |
specimens |
|
| SL, mm |
63.3 48.7–83.3 |
61.6 51.4–74.1 |
65.6 56.9–72.1 |
62.3 56.1–69.7 |
61.4 48.8–79.2 |
| In % SL† |
| Predorsal length |
36.3 ± 0.9 34.9–37.3 |
36.3 ± 1.3 34.8–39.7 |
34.9 ± 1.2 32.4–36.5 |
35.4 ± 0.5 34.7–36.2 |
34.9 ± 1.2 32.4–36.5 |
| Postdorsal length |
10.8 ± 1.0 8.9–12.2 |
10.3 ± 0.8 9.0–12.5 |
9.9 ± 1.2 8.2–11.9 |
10.0 ± 0.3 9.6–10.3 |
9.9 ± 1.2 8.2–11.9 |
| Preanal length |
54.9 ± 2.1 51.7–58.4 |
53.6 ± 1.5 51.0–56.2 |
55.0 ± 2.0 51.9–57.2 |
54.2 ± 0.4 53.5–54.9 |
55.0 ± 2.0 51.9–57.2 |
| Postanal length |
47.2 ± 1.9 42.6–48.9 |
48.2 ± 1.6 45.1–50.5 |
46.8 ± 1.6 43.6–48.6 |
47.7 ± 0.7 46.2–48.8 |
46.8 ± 1.6 43.6–48.6 |
| Maximum body depth |
22.7 ± 1.2 21.2–24.8 |
21.9 ± 1.2 20.0–23.8 |
20.5 ± 0.9 19.3–21.7 |
21.5 ± 0.5 20.7–22.3 |
20.5 ± 0.9 19.3–21.7 |
| Length of caudal peduncle |
15.4 ± 1.1 14.0–17.2 |
15.1 ± 1.1 13.0–16.9 |
14.7 ± 1.4 12.7–16.6 |
14.9 ± 0.2 14.5–15.3 |
14.7 ± 1.4 12.7–16.6 |
| Depth of caudal peduncle |
7.4 ± 0.5 6.9–8.5 |
7.4 ± 0.5 6.8–8.7 |
7.0 ± 0.4 6.4–7.9 |
7.0 ± 0.2 6.6–7.4 |
7.0 ± 0.4 6.4–7.9 |
| Length of first dorsal fin base |
13.6 ± 1.0 12.1–15.1 |
13.8 ± 0.7 12.3–15.4 |
13.5 ± 0.8 12.1–14.7 |
13.6 ± 0.2 13.3–13.9 |
13.5 ± 0.8 12.1–14.7 |
| Length of second dorsal fin base |
36.0 ± 0.9 34.6–37.2 |
36.8 ± ± 1.5 32.3–39.1 |
36.5 ± 1.7 33.0–38.5 |
38.1 ± 0.4 37.2–38.7 |
36.5 ± 1.7 33.0–38.5 |
| Length anal fin base |
28.7 ± 0.9 27.6–30.1 |
28.7 ± 1.4 26.3–31.2 |
28.3 ± 1.4 26.6–31.0 |
29.9 ± 0.4 29.1–30.4 |
28.3 ± 1.4 26.6–31.0 |
| Length of longest first dorsal fin spines |
8.8 ± 0.7 7.4–9.7 |
8.8 ± 0.9 7.2–10.3 |
8.0 ± 0.9 6.6–9.3 |
9.1 ± 0.3 8.7–9.8 |
8.0 ± 0.9 6.6–9.3 |
| Length of longest second dorsal fin ray |
13.1 ± 0.6 12.2–13.9 |
13.6 ± 0.7 12.6–15.2 |
13.3 ± 0.9 11.4–14.5 |
13.4 ± 0.3 12.9–14.1 |
13.3 ± 0.9 11.4–14.5 |
| Length of longest A ray |
14.0 ± 1.1 12.4–15.8 |
13.8 ± 0.8 12.8–15.6 |
13.5 ± 0.6 12.4–14.5 |
14.1 ± 0.6 13.2–15.0 |
13.5 ± 0.6 12.4–14.5 |
| Pectoral fin length |
26.8 ± 1.0 25.7–28.6 |
28.6 ± 1.5 25.4–32.3 |
25.9 ± 1.4 23.8–28.9 |
26.2 ± 0.8 25.1–27.9 |
25.9 ± 1.4 23.8–28.9 |
| Pelvic fin length |
20.0 ± 0.8 18.3–21.2 |
20.2 ± 1.3 17.9–23.2 |
19.0 ± 0.8 18.0–20.6 |
19.7 ± 0.5 18.8–20.4 |
19.0 ± 0.8 18.0–20.6 |
| Head length |
33.2 ± 1.3 31.3–35.7 |
32.6 ± 1.0 30.6–34.4 |
32.0 ± 1.2 30.0–33.7 |
32.3 ± 0.9 31.2–33.9 |
32.0 ± 1.2 30.0–33.7 |
| Postorbital length |
17.2 ± 0.9 15.6–18.8 |
17.1 ± 0.6 16.0–18.1 |
16.1 ± 1.0 14.7–17.7 |
16.9 ± 0.7 16.1–18.3 |
16.1 ± 1.0 14.7–17.7 |
| Head depth |
20.3 ± 1.3 18.3–22.1 |
19.5 ± 1.1 17.1–21.3 |
19.2 ± 1.0 17.7–20.6 |
19.5 ± 0.6 18.6–20.4 |
19.2 ± 1.0 17.7–20.6 |
| Head width |
31.5 ± 1.6 28.6–34.6 |
29.3 ± 2.2 24.9–33.3 |
29.3 ± 1.3 26.5–30.9 |
29.0 ± 0.7 27.8–30.1 |
29.3 ± 1.3 26.5–30.9 |