Canadian Grade Compendium
Volume 8 - Fish

Part 1 Fresh or Frozen Fish

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Atlantic Oysters

5. The grades and grade names for Atlantic oysters in the shell are "Fancy Shape", "Choice Shape", "Standard Shape" and "Commercial Shape".

6. (1) Atlantic oysters in the shell must be graded as

  • (a) "Fancy Shape", if the length of each of the oysters does not exceed one and one-half times its greatest width and they are not abnormally flat, thin-lipped or malformed, and if prepackaged, do not vary by more than 25 mm in length;
  • (b) "Choice Shape", if the length of each of the oysters does not exceed one and three-quarters times its greatest width and they are not abnormally flat, thin-lipped or malformed, and if prepackaged, do not vary by more than 25 mm in length;
  • (c) "Standard Shape", if the length of each of the oysters does not exceed twice its greatest width and they are not abnormally flat, thin-lipped or malformed; or
  • (d) "Commercial Shape", if the oysters do not meet the requirements of paragraph (a), (b) or (c).

(2) Containers of prepackaged Atlantic oysters in the shell that are graded "Fancy Shape" and "Choice Shape must be labelled to show the minimum count of oysters contained in them.

Pacific Salmon

7. The grades and grade names for Pacific salmon are "Grade A", "Standard", and "Utility".

8. Frozen gutted Pacific Salmon that is graded

  • (a) "Grade A" must be whole, head on or head off, properly cut and cleaned, and free from all entrails, physical damage, bellyburn and signs of advanced sexual maturity;
  • (b) "Standard" must be whole, head on or head off, properly cut and cleaned and reasonably free from entrails, physical damage, bellyburn and signs of advanced sexual maturity; or
  • (c) "Utility" must be whole, head on or head off, eviscerated and not tainted, decomposed or unwholesome.

Atlantic Smelts

9. The grades and grade names for Frozen Atlantic smelts are "Small Size", "Medium Size", "No. 1 Size", and "Extra Size".

10. Frozen Atlantic smelts, having a grade name set out in column 1 of an item of the Table of Smelt Grading by Length, must be packaged according to the length of the fish, measured from the tip of the nose to the round of the tail of the smelt, set out in column 2 of the item.

Table of Smelt Grading by Length
Item Column 1
Grade Name
Column 2
Length of Smelts in Containers
1. Small size Under 100 mm
2. Medium size 100 mm or longer but less than 140 mm
3. No. 1 size 140 mm or longer but less than 180 mm
4. Extra size 180 mm and longer

Whitefish

11. The grades and grade names for Whitefish are "Small", "Medium", "Large", and "Jumbo".

12. Whitefish, having a grade name set out in column 1 of an item of the Table of Whitefish Grading by Weight, must be packaged according to the weight of the Whitefish, set out in column 2 of the item.

Table of Whitefish Grading by Weight
Item Column 1
Grade Name
Column 2
Weight of Whitefish in Containers
1. Small Under 680 g
2. Medium 680 g or over but less than 1.35 kg
3. Large 1.35 kg or over but less than 1.80 kg
4. Jumbo 1.80 kg or over
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