Based on these elements, each species prefers specific habitats: the first two species are predominantly found in coastal areas, while the common dolphin is usually encountered in offshore zones.
The common dolphin has a bluish-gray to brown color on its dorsal side, with a V-shaped lateral boundary that is very light. A pigmented band, varying in darkness, connects the lower jaw to the insertion of the pectoral fins. The dorsal, pectoral, and caudal fins are black to gray-brown.
At birth, their size is around 0.80-0.95 m. In the Black Sea, they do not exceed 2 m (males – 177 cm, females – 159 cm). They are highly sensitive to chemical and acoustic pollution. Generally, they gather in groups of 10-15 individuals, as well as in pairs or isolated individuals. They swim very rapidly, reaching speeds of approximately 50 km/h. They perform short-duration dives and frequently breathe at the surface, with intervals of 1/3 seconds. They inhabit depths of up to 70 meters.
