白斑乌贼 ，bái bān wū zéi，Sepia latimanus

白斑乌贼（Sepia latimanus）头足纲，乌贼科。胴部盾形。胴长约为胴宽的2倍。胴背中央区有很多大小相间的灰白色斑，两侧具一些短的横条纹。肉鳍较宽，最大宽度略小于胴宽的1/4，位于胴部两侧全缘，在后端分离。无柄腕长度一般为4˃3˃2˃1，吸盘4行，角质环具齿或不具齿。雄性左侧第四腕茎化。触腕穗肾形，吸盘6-7行，大小不等，角质环不具齿。内壳椭圆形。记录最大胴长0.5m，最大体重10kg。为乌贼科中体型最大的种类。分布在西北太平洋沿岸海域。主要作业渔场在琉球群岛和中国广东沿岸海域。

Sepia latimanus, Cephalopoda, Sepiidae. The trunk is shield shaped. The carcass length is about twice as long as the carcass width. There are many gray and white spots of different sizes in the central area of the carcass back, with some short horizontal stripes on both sides. The meat fin is wide and the maximum width is slightly less than 1 / 4 of the carcass width. It is located on both sides of the carcass and separated at the rear end. The length of non handle wrist is generally 4 ˃ three ˃ two ˃ 1, sucker 4 rows, horny ring with or without teeth. The male left fourth wrist is stemmed. The carpal ear is kidney shaped, with 6-7 rows of sucker, varying in size, and the horny ring is not toothed. The inner shell is elliptical. Record the maximum carcass length of 0.5m and the maximum body weight of 10kg. It is the largest species in the squid family. It is distributed in the coastal waters of the Northwest Pacific Ocean. The main fishing grounds are in the Ryukyu Islands and the coastal waters of Guangdong, China.