Hlisk:

A semi-aquatic Reptilian Humaniod race with tough scales, the Hlisk are able to hold their breaths for an extended period of time

Tend to live mostly in swamps not quite tribal but tend to live in very small villages that are partially built under water.

Theere villages tend not to be welcoming to visitors of other species do to the lack of oxygen.

Unlike most humanoids they lay eggs to reproduce.

Their heights vary from 4 to 6 feet about the same as humans

Stats

+2 Str -2 Int, +2 Swim, +2 Climb +2 Natural Armor

20 Foot Swim Speed

Can hold their breath for Con score x 10 minutes

Creation Feat: Gilled One

Occasionally a Hlisk is born with gills, its an odd, but useful mutation.

Swim Speed 30 foot.

Can Breath Underwater, as per the spell.

Being able to regulate their breathing far more easily than others they gain a natural +4 fort save against inhaled poisons.