Chokers speak Undercommon.
A choker likes to perch near the ceiling, often at
intersections, archways, wells, or staircases, and reach down to
attack its prey.
Haste (Su): Although not particularly dexterous, a choker is
supernaturally quick. It can take an extra partial action each
round, as if affected by a haste spell.
Improved Grab (Ex): To use this ability, the choker must hit
an opponent of up to Large size with a tentacle attack. If it
gets a hold, it can constrict.
Constrict (Ex): A choker deals 1d3+3 points of damage with a
successful grapple check against Large or smaller creatures.
Because it seizes victims by the neck, a creature in the
choker's grasp cannot speak or cast spells with verbal