FRV Goldseeker 10/78

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Goldseeker (74GO)
Cruise identifier10/78
Cruise period1978-11-01 — 1978-11-17
Port of returnLeith, United Kingdom
Objectives1. To compare quantity, size and sex composition of Nephrops catches and fish by-catch using different mesh-size codends on a standard Nephrops trawl.
2. To assess predation on Nephrops by examination of fish stomachs.
3. To look for incidence of the gut parasite Stichocotyle nephropsis in Nephrops.
Chief scientistJames A M Kinnear (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Goldseeker 10/78 cruise report goldseeker10_78.pdf (0.12 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificFirth of Forth
Biology and fisheries 
Demersal fishQuantity: number of specimens = 230
Description: Cod stomachs were examined for Nephrops remains. The size composition of Nephrops contained in the stomachs was recorded
CrustaceansQuantity: number of specimens = 27964
Description: Size and sex compositions and mean carapace lengths of Nephrops caught were recorded. 13771 caught with the 60mm cod-end (8362 males, 5409 females), and 14193 caught with the 80mm cod-end (8695 males, 5498 females)
CrustaceansQuantity: activity duration in hours = 1.5
Description: Hauls for Nephrops. Each cod-end was fished on alternate days( 60mm and 80 mm cod-end). Large catches of Nephrops were sub-sampled by weight, but whenever possible, the total catch was measured.