A shark can traverse water. It in amphibious. It is part of the large family of serpents. It has no limbs. A shark cannot pick up objects. It is able to lay eggs. It is a carnivore.

Due to its unusual body chemistry, A shrieker has no need to breathe. It has no eyes, and is therefore impervious to gaze and blindness attacks. It has no mind, and is therefore not detectable via telepathy. It has no limbs and no head. A shrieker cannot pick up objects.