Market Fish Grades

Species graded by weight
(Please note: these are guides, and at certain times of the year fish maybe under weight stated but not under the size stated)
For Quality Grades and Method of Catch please view our fish quality page
Bass InfoSize Weight (g) 1 4000+ 2 3000-4000 3 2000-3000 4 1000-2000 5 295-1000 (min length 42cm) Bream InfoSize Weight (g) 1 800+ 2 600-800 3 400-600 4 300-400 5 100-300 Brill InfoSize Weight (g) 1 2000+ 2 1500-2000 3 1000-1500 4 500-1000 5 100-500 Cod InfoSize Weight (g) 1 7000+ 2 4000-7000 3 2000-4000 4 1000-2000 5 300-1000 Coley InfoSize Weight (g) 1 2500+ 2 1500-2500 3 250-1500 Crabs Cocks and Hens InfoSize Weight (g) 1 1500+ 2 750-1500 3 100-750 Conger Eel InfoSize Weight (g) 1 7000+ 2 5000-7000 3 500-5000 Dabs InfoSize Weight (g) 1 250+ 2 100-150 Dover Sole InfoSize Weight (g) 1 800+ 2 601-800 3 501-600 4 401-500 5 351-400 6 301-350 7 251-300 8 201-250 9 171-200 10 100 -170 (or min 24cm) Gilthead Bream InfoSize Weight (g) 1 2000+ 2 1000-2000 3 500-1000 4 100-500 Grey Mullet InfoSize Weight (g) 1 1000+ 2 550-1000 3 300-550 4 100-300 Haddock InfoSize Weight (g) 1 1000+ 2 550-1000 3 300-550 4 100-300 Hake InfoSize Weight (g) 1 7000+ 2 6000-7000 3 5000-6000 4 4000-5000 5 3000-4000 6 2000-3000 7 1000-2000 8 500-1000 9 100-500 John Dory InfoSize Weight (g) 1 1500+ 2 1000-1500 3 500-1000 4 250-500 5 100-250 Lemon Sole InfoSize Weight (g) 1 569+ 2 455-568 3 341-454 4 151-340 5 101-150 6 0-100 Ling InfoSize Weight (g) 1 5000+ 2 2500-5000 3 500-2500 Mackerel InfoSize Weight (g) 1 500+ 2 300-500 3 0-300 Megrim InfoSize Weight (g) 1 1000+ 2 700-1000 3 500-700 4 300-500 5 200-300 6 100-200 Monk Tails InfoSize Weight (g) 1 4000+ 2 2000-4000 3 1000-2000 4 500-1000 5 250-500 6 50-250 Plaice InfoSize Weight (g) 1 1000+ (47cm+) 2 650-1000 (41-47cm) 3 450-650 (37-41cm) 4 360-450 (33-37cm) 5 140-360 (27-33cm) Pollock InfoSize Weight (g) 1 5000+ 2 2500-5000 3 1500-2500 4 250-1500 Red Mullet InfoSize Weight (g) 1 500+ 2 250-500 3 20-250 Smooth Hounds InfoSize Weight (g) 1 2000+ 2 200-2000 Spur Dogs InfoSize Weight (g) 1 3001+ 2 1501-3000 3 200-1500 Squid InfoSize Weight (g) 1 500+ 2 0-500 Undulate Ray InfoSize Weight (g) 1 4000+ 2 300-4000 Tubs / Gurnards InfoSize Weight (g) 1 1000+ 2 500-1000 Turbot InfoSize Weight (g) 1 6000+ 2 4000-6000 3 3000-4000 4 2000-3000 5 1500-2000 6 1000-1500 7 200-1000 Whiting InfoSize Weight (g) 1 600+ 2 350-600 3 250-350 4 100-250 Witch InfoSize Weight (g) 1 500+ 2 300-500 3 100-300 Wings (All types) InfoSize Weight (g) 1 4000+ 2 2000-4000 3 1000-2000 4 100-1000