pollock and wrasse in coloured water?

I'm pretty sure now that pollock (spinning) and wrasse fishing are pretty pointless in a browny coloured water after severel attempts.
This is probably well known so would somebody be able to confirm this for me please. :)
Also what fish are put off by these conditions aswell, I caught whiting, a dab and dogs in this browny sea yesterday and I hear its good for cod also? Thanks for any help.
col

As a general rule, anything the feeds by sight or mostly in daylight will not take when the water is coloured; so most flats and predatory species like pollock that more or less depend on being able to spot their prey above them.

Those that live with their snout in the bottom and/or usually feed at night such as cod, whiting, gurnard, conger, ling etc will usually be ok in the more coloured waters.

If you think about the body of the fish (particularly eye size and location and mouth size and location) and how it feeds, you should be able to pretty much make a guess for any species you care to name.

You'll also want to consider your tackle in murky conditions. Where visibility is limited, fish have to rely on their sense of taste/smell to locate food, so a nice mucky worm bait will beat the dickens out of a rubber immitation every time.

It all makes sense when you sit on a beach with nothing else to think about while you wait for a bite.....