Humboldt squid squid uses its barbed tentacle suckers to grab its prey and slices and tears the victim's flesh with its beak and radula. They often approach prey quickly with all 10 appendages extended forward in a cone-like shape. Upon reaching striking distance, they open their eight swimming and grasping arms, and extend two long tentacles covered in sharp 'teeth', grabbing their prey and pulling it back towards a parrot-like beak, which can easily cause serious lacerations to human flesh. These two longer tentacles can reach full length, grab prey, and retract so fast that almost the entire event happens in one
Striped flying squid are small subcutaneous photophores on the underside of mantle, head and of the third and fourth arms, while the fourth arms have a large oval photophore at their bases and another hallway to their tips. The ventral surface of mantle has 2 stripes of luminous tissue extending along almost its entire length with two large, oval-shaped luminous patches at the end of each mantle strip closest to the head. The fins are heart-shaped and taper to a point. The larvae have dispersed large brown chromatophores while in the juveniles these are crimson and brown. The striped flying squid is distributed