After looking I don't think Biffa or syns I defo agree with the fenestratus, so until I see otherwise I think I have snagged a very nice fenestratus and thanks guys! Anyone got any ideas on age?
right iv been doing research all afternoon, i would say 1000% biffa, he has the black rings round the eyes, the bits of black near the gills, same shape. Thanks guys! glad to get that cleared up!