malacopterygian /ˌmæləˌkɒptəˈrɪdʒɪən/

→ compare acanthopterygian

• 1. 

  ADJ of, relating to, or belonging to the Malacopterygii, a group of teleost fishes, including herrings and salmon, having soft fin rays 软鳍类的; 包括鲱鱼和鲑鱼，鳍条柔软

• 2. 

  N any malacopterygian fish; a soft-finned fish 软鳍类的鱼; 软鳍的鱼