英语释义
1
n. An order of ganoid fishes, including the modern gar
2
pikes and many allied fossil forms. They have rhombic, ganoid scales, a
3
heterocercal tail, paired fins without an axis, fulcra on the fins, and
4
a bony skeleton, with the vertebrae convex in front and concave behind,
5
forming a ball and socket joint. See Ganoidel.