coelacanth
/ˈsiːləkænθ/noun
1- a large bony marine fish with a three-lobed tail fin and fleshy pectoral fins, found chiefly around the Comoro Islands near Madagascar. It is thought to be related to the ancestors of land vertebrates and was known only from fossils until one was found alive in 1938.矛尾鱼。
1.1
- Latimeria chalumnae, family Latimeriidae (or Coelacanthidae), subclass Crossopterygii.拉丁名Latimeria chalumnae,矛尾鱼科（或腔棘鱼科）, 总鳍亚纲。
词源
mid 19th cent.: from modern Latin Coelacanthus (genus name), from Greek koilos 'hollow' + akantha 'spine' (because its fins have hollow spines).