常像圆木一般,浮于流动缓慢的水面晒太阳并呼吸大气中的空气。两颚与面部形成一个有尖牙的喙,鱼体覆以菱形光亮而厚的硬鳞。

• "They frequently Bask at the surface in sluggish waters and commonly Breathe atmospheric air. Their jaws and face form a sharp-toothed Beak, and their Body is encased in an armour of diamond-shaped, thick scales."