Atlantic Cod and Similar Species
Gadus morhua
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Open the appSeveral fish can be confused with Atlantic Cod. Here are the key differences.
Species often confused with {name}
Haddock
Melanogrammus aeglefinus
Key differences: Haddock has a distinct black lateral line (not pale) and a prominent black 'thumbprint' mark (St. Peter's mark) above the pectoral fin. Its chin barbel is smaller than that of the Atlantic Cod.
Pollock (Saithe)
Pollachius virens
Key differences: Pollock has a straight, pale lateral line (not curved above the pectoral fin) and a very small or absent chin barbel. Its body is more streamlined and typically darker, often greenish-black.
Pacific Cod
Gadus macrocephalus
Key differences: Pacific Cod is morphologically very similar but is found in the North Pacific Ocean. Differentiating features are primarily geographic distribution and subtle differences in fin ray counts and head shape, requiring expert examination.
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