Table 1 Mean total length, percent survival, and percent retention of 12-mm PIT tags after 41–118 day for metamorphosing juvenile sea lamprey from the Fort River, MA and two Lake Champlain tributaries
From: Assessment of PIT tag retention and post-tagging survival in metamorphosing juvenile sea lamprey
Source/group | n | Tagging/monitoring date | Total days monitored | Total length (mm) | Survival (%) | Tag retention (%) | |||
|---|---|---|---|---|---|---|---|---|---|
Mean | Range | 24 h | Overall | 24 h | Overall (# of days tagged) | ||||
Untagged | |||||||||
Fort River Group 1 | 23 | November 19, 2013 | 64 | 142.9 | 125–167 | 100 | 100.0 | N/A | N/A |
Fort River Group 2 | 15 | December 6, 2013 | 47 | 145.5 | 134–156 | 100 | 100.0 | N/A | N/A |
Lake Champlain | 120 | December 6, 2013 | 60 | * | * | 100 | 94.2 | N/A | N/A |
Tagged | |||||||||
Fort River Group 1 | 20 | November 19, 2013 | 118 | 147.4 | 129–176 | 100 | 90.0 | 100 | 100.0 (105) |
Fort River Group 2 | 20 | December 6, 2013 | 101 | 148.0 | 135–168 | 100 | 85.0 | 100 | 100.0 (88) |
Lake Champlain | 110 | February 4, 2014 | 41 | 167.8 | 139–205 | 100 | 94.5 | 100 | 98.2 (28) |
Total tagged | 150 | N/A | N/A | 162.4 | 129–205 | 100 | 92.7 | 100 | 98.6 (–) |