TABLE 4. Measurements of egg sacs, clutch size, and unfertilized egg rate of each H. tsuensis, Hynobius sp., and the two populations of H. nebulosus. Mean±SD of MAESL, MIESL, ESW, ESH, and clutch size, medians of WTL and four ratio values. Ranges are shown in parentheses.
|
H. tsuensis |
Hynobius sp. (H. tagoi) |
H. nebulosus |
|
|
(n=13) |
(n=19) |
Fukue Isl. (n=11) |
Nagasaki (n=12) |
| MAESL |
110.6±10.4 |
139.2±16.4 |
277.3±32.8 |
278.1±30.8 |
|
(98–136.5) |
(113–176.5) |
(208–326) |
(233.5–327) |
| MIESL |
43.0±6.9 |
64.4±8.5 |
148.9±18.7 |
140.1±20.6 |
|
(36–60) |
(47–79) |
(108.5–178.5) |
(104.5–174.5) |
| ESW |
12.6±1.2 |
13.9±1.2 |
15.5±0.9 |
17.0±1.9 |
|
(11–15) |
(11–16.5) |
(14–17) |
(14–21) |
| ESH |
12.2±1.0 |
12.5±1.2 |
14.9±0.9 |
15.6±1.8 |
|
(10–14) |
(10–15) |
(13.5–16) |
(13–19.5) |
| WTL |
17 |
15 |
0 |
0 |
|
(9.5–32) |
(2.5–60) |
(0–8) |
(0–12.5) |
| MIESL/MAESL (%) |
37.8 |
46.0 |
54.5 |
50.5 |
|
(32.4–48.0) |
(40.5–55.1) |
(47.8–57.9) |
(44.8–53.8) |
| MAESL/ESW |
9.3 |
10.0 |
17.3 |
16.6 |
|
(6.7–10.4) |
(7.6–12.7) |
(14.9–21.5) |
(13.1–19.5) |
| ESW/ESH (%) |
103.7 |
111.1 |
103.7 |
108.8 |
|
(95.7–110.0) |
(103.8–119.2) |
(100.0–107.1) |
(103.3–115.4) |
| Clutch size (CS) |
52.8±10.8 (n=8) |
45.5±11.4 (n=23) |
175.9±46.9 (n=9) |
111.7±23.9 |
|
(34–74) |
(21–62) |
(111–266) |
(77–160) |
| Unfertilized egg rate (%) 63.5 (n=14) |
2.0 (n=24) |
2.5 |
2.7 |
|
(37.5–80.8) |
(0.0–33.3) |
(0.0–30.1) |
(0.0–10.7) |