Just like humans, fish have the five senses of touch, taste, hearing, sight and smell.  However the senses of taste and smell tend to be far superior than our own.

Although sight is important, it is of limited use where the water is dark and muddy so fish developed other methods of navigation and locating food.  Taste buds are often found at the end of pelvic fins or in pits over the body and head and in the barbels surrounding the mouth.  Nostrils play no part in the breathing process and are used exclusively for smelling.

The smallest vibrations and changes in the water are detected by the fishes nervous system on the outer points of its body.  The detections it makes helps the fish to navigate safely and accurately through the water.

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