Giant Frog, Variant (5e Creature)
From D&D Wiki
Giant Frog, Variant
Medium beast, unaligned
Amphibious. The frog can breathe air and water.
Standing Leap. The frog's long jump is 8 feet greater than normal, and its high jump is 6 feet greater than normal, with or without a running start.
Powerful Build. The frog counts as one size larger when determining its carrying capacity and the weight it can push, drag, or lift.
Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 5 (1d6 + 2) piercing damage, and the target is grappled (escape DC 12). Until the grapple ends, the target is restrained, and the frog can't bite another target.