Otters have long, slim bodies and relatively short limbs with webbed paws. Most have sharp claws on their feet and all except the sea otter have long, muscular tails. The 13 species range in adult size from 0.6 to 1.8 m (2.0 to 5.9 ft) in length and 1 to 45 kg (2.2 to 99.2 lb) in weight. The Oriental small-clawed otter is the smallest otter species and the giant otter and sea otter are the largest.
Atlantoaxial-synovial; pivot. The joint between the atlas and axis is called the atlanto-axial joint. It is comprised of the anterior portion of the ring of C1 and the odontoid process (or dens) of C2.This joint allows for about 50 percent of the side to side rotation of the head.ry and shake your head no, this is due to the pivot joint of the two vertebrae! this joint also known as atoaxoid joint. pivot. it is called the atlanto-axial joint. The joint between atlas and axis is called the atloaxoid joint. This joint is a pivot joint that allows the head to turn from side to side.
Hinge, pivot, ball and socket, saddle, conyloid and gliding joint all have similarities and differences. A similarity of all these synovial joints are that they all can move and a difference between all these joints are that they have a different range of movement and move in different directions.ynovial joints. Synovial joints are freely movable and the most common type of joint. The Synovial joint has existence of capsules surrounding the articulating surfaces of a Synovial joint and the presence of lubricating Synovial fluid within that capsule.