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DESCRIPTION OF THE DOLPHIN
Measure between 1.5 and 4 meters, its weight ranges between 130 and 300 Kg. It is a curved back and dark grey as of rubber-skinned animal. The skin of bottlenose dolphin offers a minimum water resistance allowing you to swim at incredible speed (and can reach speeds of 50 km. / h). The momentum forward succeeds with vertical movements of the tail.Its shape is elongated and very aerodynamic, their forelimbs have become swim fins, while the later ones have disappeared and resulted in the tail, terminated in a caudal fin located on a horizontal plane (unlike fish, which is vertical).The caudal fin has a musculature strong and very complex, being the main motor organ since the previous fins only have a function of direction and balance.
The common dolphin is medium-sized, skin smooth and shiny, has a long, slender beak and a dorsal fin high and beaked. Also called this species "saddleback" (saddled) by the stain in the form of V that spans the sides at the height of the base of the sickle-shaped dorsal fin. The front part of the pattern of hourglass-shaped is pale grey to golden yellow and the back is grey. The back is grey and the belly is white. The lips are dark and a dark line runs from the tip of the melon around your eye. Common dolphins also have a line from the middle part of the lower jaw to the fin. Adults generally measure 1.7 to 2.5 meter (5.6-8.2 ft). espero que te sirva amigo no lo pude resumir mas a mi también me pidieron una descripción y puse esa salu2 ;D