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DMR Home > Species Info > Shrimp > 2013 pre-season tows > Sebasco

Pre-Season Shrimp Tows, Sebasco, Maine, January 13, 2013

Three shrimp trawlers from Maine (from South Bristol, Stonington, and Sebasco) and one from New Hampshire made some experimental pre-season shrimp tows for one day during the week of January 13, 2013.  All data from the Sebasco trip are listed below.

The Sebasco (Phippsburg) boat averaged 58 pounds of shrimp per hour.  Its best tow was 87 pounds per hour.  Depths ranged from 35 to 67 fathoms, with the highest catch rate at about 50 fa after the captain made some net adjustments (see tow 3 below).  The captain was using a new net and a new vessel.  Count per pound was consistently about 51.  About 26% of the female shrimp had hatched off their eggs (see graph at bottom).

Please select one of these links, or scroll down the page:

Chart of the Phippsburg fishing area

Size-sex-eggstage frequency graph
Note that 74% of female shrimp were still carrying eggs (ovigerous, light blue); 26% had hatched off their eggs (orange).

Graph of shrimp sizes by sex and egg stage

Sebasco Data for Each Tow, January 15, 2013
Date
Port
Boat Length (ft)
Area Towed
Tow
Latitude
Longitude
Depth (fath.)
Tow Minutes
Catch (lbs)
Lbs per Hour
Count per lb
 Comments
Jan. 15
Sebasco ME
45
 Gravel Tow, S. Point Mud
1 start
end
43°37'50"
43°36'49"		 69°50'49"
69°51'49"
35
30
36
72
51
  
"
"
"
 Edge of Bottom, NE Part
2 start
end
43°35'50"
43°34'56"		 69°55'18"
69°56'26"
45
52
30
18
36
50
  
"
"
"
 Edge of Bottom, NE Part
3 start
end
 43°34'42"
43°35'33"		 69°56'39"
69°55'30"
52
49
31
45
87
51
 Made some net adjustments, tried previous tow again
"
"
"
 Pasture
4 start
end
 43°30'59"
43°29'57"		 69°52'56"
69°53'22"
61
67
31
20
39
52
  
            Averages
49
30.5
30
58
51