Boggard

Boggard, also known as Frogfolk, are an amphibious species that resemble anthropomorphic frogs or toads, complete with webbed hands and feet, large eyes, and overly wide mouths.

Size and Type
Boggards are Medium humanoids with the boggard subtype.

Swamp Stride
A boggard can move through any sort of non-magical difficult terrain at its normal speed while within a swamp.

Hold Breath
A boggard can hold its breath for a number of rounds equal to four times its Constitution score before it risks drowning or suffocating.