Warriors have d8 hit dice, not d10, and the sharkentines don't qualify for improved natural weapon, also bite for a medium creature is normally 1d6 so if they did have the feat it should be 1d8.

The Squad leader should have +1 to one ability score (he has levels and 4+ HD).

Also how did the race with +2 Str (assuming that like everything else with warrior levels they're using the non-elite array), +4 Natural Armor, and a bite attack enslave the race with 6 arms and a much better over all racial ability score modifiers and +3 natural armor?