Keen Hearing and Smell. The Aboling has advantage on Wisdom (Perception) checks that rely on hearing or smell.

Pack Tactics. The jackal has advantage on an attack roll against a creature if at least one of the Aboling's allies is within 5 feet of the creature and the ally isn't incapacitated.

Gift of the deep these creatures serve only Koa Toa and/or Abolith if all there masters die they fight everyone viciously

Slimy Recuperation  if they are killed they turn to slime and unless exposed to fire damage reform in 2d4 hours or  faster if there submerged in water the deeper the faster

Bite. Melee Weapon Attack: +1 to hit, reach 5 ft., one target. Hit: 1 (1d4 – 1) acid damage + 1d4 physic damage