58 cm plaice maybe ??

[Rod]

Looks like a very dark coloured plaice to me,

 

[RL83]

flounder! i agree with one of the other comments on here about the diamond shape to the fish!!

 

[daren]

whe i tried to rub it both ways it got very turned on lol no but it was smooth both ways and it had somoe dark brown spots on it , thats what confused me about it , but im out again on tuesday so ill try to get another one and get better pictures for you thanks for the feed back guys !

 

[kingcod2007]

I'm with the halibut vote