sialagogus

例句：

1. 1. The snakehead is a rare and elusive species.
   蛇头是一种稀有且难以捉摸的物种。
2. 2. Garfish are found in the oceans around the world.
   海蛇鱼在全球的海洋中被发现。
3. 3.The garfish has a unique appearance with its long fins and scales.
   海蛇鱼以其长鳍和鳞片的独特外观而闻名。