Hold Breath: The crocodile can hold its breath for 15 minutes.
Bite: Melee Weapon Attack:+4 to hit, reach 5 ft., one creature.
Hit:7 (1d10 + 2) piercing damage, and the target is grappled (escape DC 12). Until this grapple ends, the target is restrained, and the crocodile can't bite another target.
Hold Breath: While out of water, the octopus can hold its breath for 1 hour.
Underwater Camouflage: The octopus has advantage on Dexterity (Stealth) checks made while underwater.
Water Breathing: The octopus can breathe only underwater.,
Tentacles: Melee Weapon Attack: +5 to hit, reach 15 ft., one target. Hit: 10 (2d6 + 3) bludgeoning damage. If the target is a creature, it is grappled (escape DC 16). Until this grapple ends, the target is restrained, and the octopus can't use its tentacles on another target.