These passengers in Deepsea Metro look like pelican eels. Despite their slim bodies, we heard they are quite gluttonous, which makes sense given the size of their large mouths!
— Squid Research Lab
Source: Splatoon’s Tumblr.
…Wanna play? Buy a Switch.
And if you’ve already got yours, click on Splatoon 2 for everything you need to know about the game. 😀