Latin name
Lagenorhynchus albirostris
Other names
Lagenorhynchus albirostris
Identification
They have a rather powerful build and a muscular body. They have between 25 and 28 teeth on each jaw. They have up to 92 vertebrae, more than any other species in the Delphinidae family.
Features of fish fins
The dorsal fin is high and protrudes well above the water surface.
Fish colouring
The top of the body behind the dorsal fin and the sides are greyish white, the underside of the body is white. The upper side of the body in front of the dorsal fin is greyish black. The flippers and dorsal fin are blackish. The beak is usually white, but sometimes ashy grey.
Distribution
Occupies the North Atlantic and adjacent waters from Davis Strait and Cape Cod to the Barents and Baltic Seas and southwards to the coastal waters of Portugal and possibly Turzi.
Sailing speed
Can swim at speeds of up to 30 km/h and dive to a depth of at least 45 metres.
Habitat
It is found in temperate waters close to shore in pairs or schools of 10-12 individuals, sometimes several hundred in a school.
Size
Very large dolphins, up to 3 metres long and 354 kilograms.
Behavior
With the onset of winter cold, they begin to migrate to warmer waters to spend the winter in more comfortable conditions. Often migrate with other members of the family.
The movements of these dolphins are fast and energetic, jumping high and often out of the water.
White-beaked dolphins like to accompany passing ships.
Food and feeding habits
It feeds mainly on demersal and benthic fish (cod, herring, flounder, navaga, capelin, merganser) and less commonly on crustaceans and molluscs.
Reproduction
Mating and birthing take place in summer. Females reach adult size at about five years of age and become sexually mature between six and ten years of age, while males reach adult size at about ten years of age and become sexually mature about two years later than females.
Relationship with a person
Characterised by the presence of social behaviour.
Classification | |
Phylum | Chordata |
Class | Mammalia |
Squad | Artiodactyla |
Family | Delphinidae |
Genus | Lagenorhynchus |
Species | L. albirostris |
Features | |
Conservation status | Least Concern |
Habitat | Pelagic |
Life span, years | 40 |
Maximum body weight, kg | 354 |
Maximum length, cm | 300 |
Sailing speed, m/s | 8,33 |
Threat to people | No information |
Way of eating | Predator |
White-beaked dolphin
Tags: white beaked dolphin