narrow flattened warm-water fishes with leathery skin and a long file-like dorsal spine
filefish详细解释
file.fish n.（名词）【复数】filefish 或 file.fish.es Any of various chiefly tropical marine fishes of the family Balistidae, related to and resembling the triggerfishes, with a flat body and rough, spiny scales.魨：一种鳞魨科的主要生于热带的海洋鱼类，同鳞魨相关且类似，具有扁平的身体和粗糙的刺状鳞
