The fins are broad and paddle-shaped, with a wider span than length. While the mantle is also broad, featuring few large color spots on the top and many more underneath. The head is squared with a few spots on top and 12 spots below arranged in cheek patches, plus there are special markings on the arms and tentacles. Usually showing greyish-transparent or reddish hues with a mottled purple-brown pattern on top.
It looks like Loligo forbesii (Veined squid) both species share similar distributions, reproductive seasons, and spawning ground depths, making them difficult to distinguish.