a large fish found mainly in the seas near Madagascar. It was thought to be extinct until one was discovered in 1938. Topics Fish and shellfishc2腔棘鱼,矛尾鱼(产于马达加斯加附近海域,1938 年发现之前被认为已灭绝) Word Originmid 19th cent.: from modern Latin Coelacanthus (genus name), from Greek koilos ‘hollow’ + akantha ‘spine’ (its fins have hollow spines).