Tiny wins the battle.

+Hard to Spot
Hostile mobs cannot spot you, so they will not attack you unless provoked.

+Venomous Bite
You can give an entity poison by hitting them every 6 seconds with primary ability.

+Speedy
You are fast.

+Colony
You become stronger in groups, giving more strength but capping at 2.

+Born in the Dark
You are given night vision since you live in the dark (shift to get the effect).

+Climbing
You can climb walls, just like an arachnid.

+Strong Feet
You do not take fall damage.

=Tiny
You are very small.

-Very Fragile
You only get 4 hearts.

-Squash
If an entity lands on you it deals 1/2 heart of damage.

-Dark Inhabitant
You can only sleep under the light level of 3.