Pacific cod

(Gadus macrocephalus)

The PSARC document A6-01 deals mainly with Hecate and uses models

LOWEST LEVEL EVER

Both analyses suggest that stock abundance remains near historic lows, that recruitment of the last 9 year-classes is below the median level, and that the 1998 year-class is the smallest ever. The last result is largely dependent on the length structure observed in the 1998 Hecate Strait survey.

From PSARC

Four stocks of Pacific cod are defined for management purposes on the BC coast: Strait of Georgia, west coast Vancouver Island, Queen Charlotte Sound, and Hecate Strait. Tagging studies indicate there is very little movement of cod among areas.

The depth distribution of landings indicates that there is a seasonal migration between shallow waters in spring and summer and deeper waters in fall and winter.

Spawning occurs mainly from February to March.

Although it is difficult to age Pacific cod, they appear to grow relatively quickly, reaching about 30 cm in the first year of life and sexual maturity by 2-3 years of age.

Found of interest on WWW

not much on Pacific Cod

FishBase is always a good summary and intro to the literature

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