Uneven Rostrum & Wide Angle Group
Large size OMMASTREPHIDAE

Beaks of T. pacifica and O. bartrami resemble each other. For accurate identification, it is necessary to compare
reference beaks of each species in same size.

　Wing teeth tall plat-like; Height > Width; Wing fold completely pigmented at 6-7mm RL.---
Todarodes pacificus　
　　(LRL=4.7mm)

　　　Wing teeth wide plat-like; Height < Width; Wing fold cartilaginous at 7mm RL.---
Ommastrephes bartrami
　（LRL=8.5mm）