The underside is usually a light gray or white color. Cod are any mix of speckled green-brown or grayish brown. Along with ...

Even so, these fish are quite different ... even use "carbon monoxide gas to artificially enhance color." What Kinds Of ...

And secondly, is this just a color variation of ... fin clips of the affected fish. Then, they will need to do a complete DNA workup (sequencing) of the cod and haddock and compare them to a ...