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Pre-Season Shrimp Tows, Portsmouth NH, January 15, 2013
Three shrimp trawlers from Maine (from South Bristol, Stonington, and Sebasco) and one from Portsmouth, New Hampshire made some experimental pre-season shrimp tows for one day during the week of January 13, 2013. All data from the Portsmouth, NH trip are listed below.
The Portsmouth boat averaged 84 pounds of shrimp per hour. Its best tow was 140 pounds per hour. Depths ranged from 40 to 65 fathoms, with the highest catch rate at about 60 fa. (see tow 2 below). Count per pound was consistently about 48. Most female shrimp had hatched off their eggs, unusually early (see graph below).
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