Hanar

The hanar "stand" slightly taller than a human, although most of their height is in their long tentacles. The invertebrate, water-native hanar cannot support their own weight in normal gravity. When interacting with mainstream galactic society, they rely on contra-gravitic levitation packs that use mass effect fields. Their limbs can grip tightly, but are not strong enough to lift more than a few hundred grams each. Hanar also possess the ability to secrete natural toxins.
Hanar are genderless. Despite evolving in water, hanar also appear able to breathe air, or use technological means to enable this. Also, despite appearances to the contrary, the hanar do have skulls.
Putting an aquatic species like the hanar in cryostasis presents a considerable challenge, though it has been surmounted by the Andromeda Initiative's technology by 2185.

Hanar reproduce asexually, laying massive clutches of eggs in underwater birthing pools. Like Earth cephalopods, many of the nearly-microscopic infants do not survive to adolescence, upon which time they exit the waters and join their 'sapient' parents.

The hanar are native to Kahje, a planet covered almost entirely in water. As such, they have difficulty in arid and dry climates.