yes, it's curry crab. 
it is a popular dish in thailand,
it taste better than our chilli crab 
in singapore, i find one restaurant that serve this dish
but yet to try. it"s call Paddy Fields Thai Restaurant at
Anchorpoint, oppsite Ikea.
i tried once at, one of the East Coast Seafood Restaurant. the dish
is only
50% tasty compare with thailand