Suddenly... tentacles‽

Suddenly, sucker-covered tentacles shoot up from the depths. They wrap around each leg and latch on with suckers. The tentacles must be about three inches in diameter and slimy, yet firm enough to hold your legs in place. You try to pull out and punch and kick at them but they're too tight around your ankles and punching them is ineffective due to the water reducing the power of your punched as well as the awkwardness of having suddenly switched genders. The tentacles start pulling you..