Any of various sharks of the family Lamnidae, including the great white shark, mako, and porbeagle, having a pointed snout, a nearly symmetrical tail, and a reputation for aggressiveness.

• 鳍鲨：任一种鲭科的几种鲨鱼，包括大白鲨、灰鲭鲨和鼠鲨，它们长有尖喙和近乎对称的尾部，以具侵略性著名