Wikipedia is with you on the three-tined thing. Sadly, I'm not. I maintain that three tines is into cake fork territory and fish forks should have four. Very few people seem to agree, though.
My current household has no fishforks (as far as I'm aware) and I can't say I've felt the lack. My parents house has four-tined fish forks, with a strange bobbly hole between the middle pair.
The bobbly hole has always been what I considered defining, but there's very little evidence that this is even widespread, never mind required. This (http://images.google.co.uk/imgres?imgurl=http://www.questodesign.com/shop/images/kitchen/alessi/dry/dry_fish_knife_fork_m.jpg&imgrefurl=http://www.questodesign.com/shop/proddetail.php%3Fprod%3Dalessi_4180%252F17&h=240&w=240&sz=7&hl=en&start=48&tbnid=kA88wt-eOFRIJM:&tbnh=104&tbnw=104&prev=/images%3Fq%3D%2522fish%2Bfork%2522%26start%3D40%26ndsp%3D20%26svnum%3D10%26hl%3Den%26lr%3D%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-GB:official%26sa%3DN) is a rather exaggerated version of what I mean.
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Date: 2006-09-27 10:20 pm (UTC)My current household has no fishforks (as far as I'm aware) and I can't say I've felt the lack. My parents house has four-tined fish forks, with a strange bobbly hole between the middle pair.
The bobbly hole has always been what I considered defining, but there's very little evidence that this is even widespread, never mind required. This (http://images.google.co.uk/imgres?imgurl=http://www.questodesign.com/shop/images/kitchen/alessi/dry/dry_fish_knife_fork_m.jpg&imgrefurl=http://www.questodesign.com/shop/proddetail.php%3Fprod%3Dalessi_4180%252F17&h=240&w=240&sz=7&hl=en&start=48&tbnid=kA88wt-eOFRIJM:&tbnh=104&tbnw=104&prev=/images%3Fq%3D%2522fish%2Bfork%2522%26start%3D40%26ndsp%3D20%26svnum%3D10%26hl%3Den%26lr%3D%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-GB:official%26sa%3DN) is a rather exaggerated version of what I mean.