Very similar to keta from salmon Save about £3 vs salmon roe (but 15% less weight) New line selling well This is from rainbow trout farmed in Ireland (on the Little Arrigle River - I\'d buy it just for the name) . The eggs are a little smaller than salmon eggs but most people wouldn\'t know the difference. Tasted side by side, we thought this trout roe has a slightly lighter taste. Also, the eggs are more pristine, probably becuase the processing is much more sraightforward (since it travels only 200 miles whereas keta  comes 4,000  miles from Alaska.) A simple winner every time: a dollop of crème fraîche on a blini then a spoonful of trout caviar on top. Sustainability - our rating 9/10