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The Blue and White Dolphin (Stenella coeruleoalba) is one of the most common dolphin species in the Mediterranean: ships encounter an average of one every 4 km (or rather a group of ten every 39 km). [2] It's a small dolphin, measuring around 2 m and weighing 80 to 100 kg, and feeds on fish and squid.
Dolphins avoid orcas by swimming into shallower water. [31] Dusky dolphins are also susceptible to internal parasitism by certain nematode, cestode, and trematode species. [44]: 67 [53] [54] Off Peru, parasites include those of the genera Nasitrema and Anisakis, and Phyllobothrium delphini, Braunina cordiformis, and Pholeter gasterophilus. [53]
The dusky dolphin prefers cool currents and inshore waters, but can also be found offshore. It feeds on a variety of fish and squid species and has flexible hunting tactics. The dusky dolphin is known for its remarkable acrobatics, having a number of aerial behaviours. The status of the dolphin is unknown, but it has been commonly caught in ...
A common bottlenose dolphin (Tursiops truncatus). A dolphin is an aquatic mammal in the clade Odontoceti (toothed whale).Dolphins belong to the families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins), Iniidae (the New World river dolphins), Pontoporiidae (the brackish dolphins), and possibly extinct Lipotidae (baiji or Chinese river dolphin).
Spinner dolphins live in an open and loose social organization. [20] The spinner dolphins of Hawaii live in family groups, but also have associations with others beyond their groups. [5] Mothers and calves form strong social bonds. Spinner dolphins seem to have a promiscuous mating system, with individuals changing partners for up to some weeks.
In comparison to other dolphin species, the Atlantic spotted dolphin is medium-sized. Newborn calves are about 35–43 in (89–109 cm) long, while adults can reach a length of 2.26 m (7 ft 5 in) and a weight of 140 kg (310 lb) in males, and 2.29 m (7 ft 6 in) and 130 kg (290 lb) in females.
A Pacific white-sided dolphin flips out of the water in the Cordell Bank National Marine Sanctuary off California. These dolphins keep close company. [17] White-sided dolphins swim in groups of 10 to 100, and can often be seen bow-riding and doing somersaults. [6] [18] Members form a close-knit group and will often care for a sick or injured ...
The common bottlenose dolphin or Atlantic bottlenose dolphin (Tursiops truncatus) is one of three species of bottlenose dolphin in the genus Tursiops. The common bottlenose dolphin is a very familiar dolphin due to the wide exposure it receives in human care in marine parks and dolphinariums , and in movies and television programs. [ 5 ]