Lake Superior State University
Lake Sturgeon Research in the St. Marys River During 2004
by Roger Greil, Aquatic Research Laboratory Manager

-Provisional data, not to be cited without author's permission-


August 2004

8/9/04 -- Set 5 set-lines, baited with salted whitefish

8/10/04 -- No fish: very little bait gone

8/11/04 -- No fish: set 5 more set-lines (total = 10 set-lines) some with salted suckers and whitefish

8/12/04 -- 2 sturgeon: 10 set-lines

Fish # 85; TL (cm) = 116.5; FL (cm) = 111.0; Girth(G)(cm) = 43.0; Weight(W)(kg) = 11.0
Floy tag number = 00086, Pit tag # = 423B653306, N46 27.109 W 084 09.334
Bait = salted whitefish

Fish # 86; TL = 107.1; FL = 96.4; G = 42.3; W = 8.0
Floy Tag # = 00087, Pit Tag # = 422E082922, N46 32.174 W04 12.155
Bait = salted suckers

8/13/04 -- 1 sturgeon: 10 set-lines

Fish # 87; TL = 117.5; FL = 107.5; G = 43.9; W = 11.0
Floy Tag # = 00088, Pit Tag # = 43152E106A, N46 32.137 W 084 11.998
Bait =whitefish or sucker

8/14/04 -- No fish: 10 set-lines, set 4 more lines (total= 14 set-lines)

8/15/04 -- 2 sturgeon: 14 set-lines

Fish # 88; TL = 103.2; FL = 96.0; G = 42.0; W = 10.5
Floy Tag # = 00089, Pit tag # = 431545320F, N46 32.156 W 084 12.019
Bait =salted lake trout

Fish # 40 (recap) Date tagged = 8/29/01
Size at tagging (2001) TL = 140.0; FL = 131.0; G = 56.0; W = 21.0
Size at recap. TL = 150.0; FL = 137.6; G = 42.0; W = 26.5
Floy Tag # = 00042, Pit Tag # = 4237700F04, N46 32.1551 W084 12.018
Bait = salted lake trout

8/16/04 -- No fish: 14 set-lines

8/17/04 -- No fish: 14 set-lines

8/18/04 -- No fish: 14 set lines; all baited with salted lake trout

8/19/04 -- 2 sturgeon: 14 set-lines

Fish # 89; TL = 108.5; FL = 100.1; G = 40.4; W = 8.5
Floy Tag # = 00090, Pit tag # = 435F78121C, N46 22.002 W084 08.216
Bait = salted lake trout

Fish # 90; TL = 139.6; FL = 128.7; G = 54.6; W = 21.0
Floy Tag # = 00094, Pit tag # = 431567635B, N46 22.315 W084 08.419
Bait = salted lake trout

8/20/04 -- No sturgeon, 1 catfish at 69cm long: 14 set-lines

8/21/04 -- Not checked

8/22/04 -- 2 sturgeon: 14 set-lines

Fish # 91; TL = 159.4; FL = 145.1; G = 62.0; W = 30.0
Floy Tag # = 00097, Pit Tag # = 43153F340B, N46 24.312 W084 08.797
Bait = salted lake trout

Fish # 92; TL = 115.3; FL = 103.0; G = 45.0; W = 13.0
Floy Tag # = 00098, Pit Tag # = 435F5E5219, N46 32.177 W084 12.163
Bait = salted lake trout

8/23/04 -- No fish: 14 set-lines

8/24/04 -- No fish: pulled 8 set-lines

8/25/04 -- No fish: pulled the rest of the lines

Note: All lengths and girths we taken in cm, and weights were in kg.
Fish 88, 89, 90 and 91 had Argulus found on them


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