The Mer from the Ingo Books. (3.5)

For those who don't know what I'm talking about.

MER
Sons and daughters of Ingo, the Mer are a wise, proud, and fatalistic people.
LA +1
Mer are a bit more powerful than other races so they advance a bit more slowly.
+2 Constitution, +2 Wisdom, -2 Intelligence.
The Mer are wise and gain some of the vitality of their home but their fatalism sometimes gets in the way of their reasoning.
Land Speed 2 squares (10ft)
Swim Speed 10 squares (50ft)

PHYSICAL TRAITS
Natural Weapon
Tail 1d4
Ingo Healing
While in Ingo Mer heal naturally at double speed.

MENTAL TRAITS
Ingo Lore
Mer have a bonus to all knowledge checks involving Ingo equal to their hit dice.
Will of Ingo
Mer have a +2 bonus to will saves.

SPECIAL TRAITS
Fatalism
Once per day a Mer can take 10 on an attack roll or saving throw during combat.