coelacanth
Word family nouncoelacanthadjectivecoelacanthic
coe·la·canth /ˈsiːləkænθ/ noun [countableC] a large fish that was thought to have become extinct millions of years ago, but still exists in the Indian Ocean 腔棘鱼,矛尾鱼〔被认为数百万年前就已灭绝的一种大鱼,其实印度洋里仍然有这种鱼〕