Table 5.
Age, length, weight, condition factor (K), gonadosomatic index (GSI) and liver somatic index (LSI) of female white sucker (Catostomus commersoni) from Jackfish Bay and Mountain Bay, collected during early-recrudescence (late summer/early fall) from 1988 to 2019.
| Site | Date | Age (year) | Length (cm) | Weight (g) | GSIa | LSIb | Kc | Fecundity |
|---|---|---|---|---|---|---|---|---|
| JFB | 1988 | 9.3 ± 0.4 (56)* | 40.6 ± 0.3 (56)* | 1043.6 ± 20.0 (56)* | 1.56 ± 0.01 (56)* | |||
| 1989 | 10.7 ± 0.6 (15)* | 40.6 ± 0.5 (15) | 1112.8 ± 36.7 (15) | 2.23 ± 0.13 (15) | 3.07 ± 0.15 (15)* | 1.66 ± 0.03 (15)* | ||
| 1990 | 10.7 ± 0.3 (75)* | 41.2 ± 0.2 (75)* | 1022.6 ± 16.2 (75) | 4.38 ± 0.24 (57) | 2.15 ± 0.08 (52)* | 1.46 ± 0.02 (75)* | ||
| 1991 | 10.9 ± 0.6 (26) | 41.5 ± 0.6 (26)* | 1081.7 ± 44.8 (26) | 3.32 ± 0.20 (26)* | 1.74 ± 0.13 (16)* | 1.50 ± 0.03 (26)* | ||
| 1992 | 11.1 ± 0.5 (19)* | 41.9 ± 0.6 (20)* | 1117.8 ± 45.5 (20) | 3.86 ± 0.22 (20) | 2.78 ± 0.27 (16)* | 1.52 ± 0.04 (20)* | ||
| 1993 | 41.0 ± 0.5 (15)* | 1005.5 ± 32.9 (15)* | 4.03 ± 0.15 (15)* | 2.02 ± 0.17 (15)* | 1.47 ± 0.02 (15)* | |||
| 1995 | 40.5 ± 0.7 (27) | 1007.0 ± 51.5 (27) | 4.54 ± 0.22 (27) | 1.93 ± 0.10 (27)* | 1.49 ± 0.03 (27)* | |||
| C1995 | 7.5 ± 0.5 (20)* | 38.8 ± 1.1 (20)* | 967.5 ± 86.5 (20) | 4.43 ± 0.54 (20) | 2.03 ± 0.09 (20) | 1.57 ± 0.03 (20)* | ||
| C1999 | 7.3 ± 0.5 (24)* | 38.7 ± 0.6 (24)* | 959.6 ± 56.0 (24)* | 4.42 ± 0.27 (21) | 1.61 ± 0.06 (24) | 1.63 ± 0.05 (24)* | 31451 ± 2563 (21) | |
| 2000 | 9.2 ± 0.4 (19)* | 42.1 ± 0.6 (20)* | 1221.5 ± 58.0 (20) | 5.70 ± 0.38 (20) | 1.86 ± 0.04 (20) | 1.62 ± 0.02 (20)* | 31822 ± 364 (20) | |
| C2002 | 6.2 ± 0.4 (25) | 40.7 ± 0.9 (25) | 1001.4 ± 59.9 (25) | 4.24 ± 0.22 (25)* | 1.63 ± 0.06 (25) | 1.45 ± 0.02 (25)* | ||
| 2006 | 10.3 ±0.8 (21)* | 43.3 ± 0.7 (21)* | 1252.0 ±56.2 (21) | 2.54 ± 0.11 (21)* | 1.52 ± 0.09 (21) | 1.54 ± 0.05 (21)* | 33098 ± 2603 (20) | |
| 2008 | 5.8 ± 0.4 (20)* | 41.1 ± 0.7 (20)* | 1142.5 ± 54.3 (20) | 2.40 ± 0.25 (20)d | 2.06 ± 0.09 (20)d | 1.63 ± 0.02 (20)* | 24268 ± 1879 (20) | |
| 2011 | 8.2 ± 0.6 (18) | 43.6 ± 0.7 (20) | 1284.3 ± 65.7 (20) | 3.46 ± 0.20 (20)d | 1.48 ± 0.06 (20) | 1.53 ± 0.03 (20)d | ||
| 2012 | 10.0 ± 0.5 (25) | 43.8 ± 0.6 (26) | 1286.1 ± 44.3 (26)* | 3.46 ± 0.14 (26) | 1.63 ± 0.06 (26) | 1.52 ± 0.03 (26)* | ||
| 2013 | 7.4 ± 0.7 (20)* | 43.2 ± 0.8 (20) | 1267.5 ± 70.6 (20)* | 2.49 ± 0.13 (20) | 1.60 ± 0.09 (20) | 1.55 ± 0.03 (20)d | ||
| 2018 | 10.3 ± 0.5 (19) | 44.4 ± 0.6 (20) | 1328.0 ± 48.2 (20)* | 3.13 ± 0.14 (20) | 1.58 ± 0.10 (20) | 1.51 ± 0.02 (20)* | 38889 ± 2504 (19)* | |
| 2019 | 7.9 ± 0.4 (20)* | 43.8 ± 0.7 (21)* | 1257.1 ± 59.1 (21) | 2.57 ± 0.16 (21)* | 1.47 ± 0.06 (21) | 1.48 ± 0.03 (21)* | 36024 ± 3559 (19) | |
| MTB | 1988 | 8.3 ± 0.4 (49) | 43.2 ± 0.4 (49) | 1129.2 ± 21.0 (49) | 1.40 ± 0.02 (49) | |||
| 1989 | 7.9 ± 1.0 (14) | 41.7 ± 0.9 (14) | 1122.1 ± 64.7 (14) | 2.38 ± 0.12 (14) | 1.35 ± 0.08 (14) | 1.54 ± 0.03 (14) | ||
| 1990 | 9.9 ± 0.4 (50) | 42.4 ± 0.3 (50) | 1031.1 ± 19.4 (50) | 5.18 ± 0.36 (50) | 1.74 ± 0.05 (49) | 1.35 ± 0.01 (50) | ||
| 1991 | 10.8 ± 0.7 (24) | 44.4 ± 0.5 (24) | 1135.1 ± 30.7 (24) | 4.07 ± 0.11 (24) | 1.40 ± 0.03 (24) | 1.29 ± 0.02 (24) | ||
| 1992 | 9.8 ± 0.3 (20) | 43.4 ± 0.5 (20) | 1077.8 ± 30.4 (20) | 4.19 ± 0.14 (20) | 1.55 ± 0.10 (11) | 1.32 ± 0.02 (20) | ||
| 1993 | 44.3 ± 0.3 (31) | 1191.0 ± 20.0 (30) | 5.34 ± 0.11 (29) | 1.71 ± 0.05 (30) | 1.30 ± 0.02 (30) | |||
| 1995 | 42.4 ± 0.8 (18) | 993.8 ± 50.3 (18) | 4.97 ± 0.18 (18) | 1.49 ± 0.05 (16) | 1.30 ± 0.03 (18) | |||
| C1995 | 9.5 ± 0.6 (24) | 42.4 ± 0.7 (24) | 1049.0 ± 57.5 (24) | 5.89 ± 0.32 (24) | 2.00 ± 0.07 (23) | 1.36 ± 0.03 (24) | ||
| C1999 | 10.1 ± 0.7 (21) | 44.0 ± 0.5 (21) | 1179.1 ± 38.6 (21) | 5.53 ± 0.20 (21) | 1.66 ± 0.05 (21) | 1.38 ± 0.02 (21) | 37069 ± 1878 (21) | |
| 2000 | 12.0 ± 0.9 (21) | 44.2 ± 0.7 (21) | 1224.9 ± 42.4 (21) | 6.74 ± 0.36 (21) | 1.80 ± 0.11 (21) | 1.41 ± 0.02 (21) | 26739 ± 1749 (21) | |
| C2002 | 6.5 ± 0.4 (26) | 42.1 ± 0.5 (26) | 1027.3 ± 41.6 (26) | 5.29 ± 0.19 (26) | 1.63 ± 0.05 (26) | 1.36 ± 0.02 (26) | ||
| 2006 | 15.4 ± 1.1 (21) | 45.7 ± 0.5 (21) | 1242.6 ± 35.4 (21) | 3.14 ± 0.12 (21) | 1.36 ± 0.06 (21) | 1.30 ± 0.02 (21) | 36345 ± 3106 (18) | |
| 2008 | 8.3 ± 0.9 (17) | 44.4 ± 0.9 (19) | 1215.6 ± 51.9 (19) | 6.59 ± 0.23 (19) | 1.86 ± 0.07 (19) | 1.39 ± 0.03 (19) | 23288 ± 1271 (19) | |
| 2011 | 9.5 ± 0.7 (16) | 44.3 ± 0.5 (20) | 1163.4 ± 32.0 (20) | 4.12 ± 0.10 (20) | 1.49 ± 0.05 (20) | 1.34 ± 0.02 (20) | ||
| 2012 | 9.1 ± 0.7 (18) | 42.3 ± 0.6 (18) | 1004.2 ± 37.3 (18) | 3.02 ± 0.09 (18) | 1.33 ± 0.03 (18) | 1.32 ± 0.02 (18) | ||
| 2013 | 8.8 ± 0.3 (34) | 44.1 ± 0.5 (34) | 1118.5 ± 32.8 (34) | 2.67 ± 0.11 (34) | 1.58 ± 0.05 (34) | 1.30 ± 0.02 (34) | ||
| 2018 | 10.5 ± 0.5 (21) | 44.6 ± 0.5 (21) | 1146.5 ± 44.8 (21) | 3.54 ± 0.19 (21) | 1.37 ± 0.05 (21) | 1.28 ± 0.02 (21) | 29768 ± 1985 (14) | |
| 2019 | 9.5 ± 0.3 (20) | 46.4 ± 0.5 (20) | 1266.0 ± 37.4 (20) | 3.35 ± 0.22 (20) | 1.49 ± 0.04 (20) | 1.27 ± 0.03 (20) | 34459 ± 1598 (19) |
Values are reported as mean ± SE (n). Shaded cells are either below (light grey) or above (dark grey) normal range for Mountain Bay.
*Significant difference between sites (p ≤ 0.05) within years; a GSI = 100* (gonad weight/body weight); b LSI = 100* (liver weight/body weight); c K = 100*(weight/length3); d Represents an interaction between sites; All data before 2008 published in Bowron et al. (35).