fish roe

基本解释

Roger wondered what else he could transform into fish roe.
罗杰想知道他还能把什么东西转换进鱼卵里去。
suxuewang.com
Seafood : cuttlefish, squid, shrimp roe, crab roe, fish roe, fish head, etc.
海产类：墨鱼鱿鱼虾膏蟹黄鱼子鱼头等。
dict.site
Caviar is fish roe (eggs) and this particular brand comes from the Beluga Sturgeon, found mostly in the Caspian sea.
鱼子酱就是鱼卵，这个特殊的品牌来源与Beluga Sturgeon（欧洲鳇，一种珍贵的鲟鱼-译者注），这种鱼主要栖息在里海。

Psilakis' presentation was accompanied by typical Cretan hors d'oeuvres: spreads made of eggplant and fish roe, lots of raw vegetables and olives, and tiny, lightly fried cheese turnovers called kallitsounias.
NPR: Crete: Ancient Diet with Modern Message
By the 1800s Russian aristocrats took to carting live sturgeon with them when they traveled, so the fish could be sliced open and their roe salted and served fresh.
FORBES: Caviar Emptor
It's not an easy business, given that the fish take a good nine years to grow from hatchling to roe-producing adult.
FORBES: Magazine Article