What are the features of adaptation of fish to the aquatic lifestyle?

Fish have a streamlined body shape, flattened from the sides. The body consists of a head, torso and tail. Respiratory organs – gills, the appearance of paired limbs – fins. The taste buds are well developed. They are located over the entire surface of the body – on the head, in the fins, in the pharynx, in the esophagus, in the oral cavity. These receptors are important for finding and recognizing food. The organ of touch is the lateral line. It perceives the direction and movement of water, its pressure and flow force. The organs of smell – paired olfactory bags on the dorsal side of the head, help to find a partner during the breeding season, to feel the approach of prey or danger.