Risultati di ricerca
Spinner dolphin. The spinner dolphin ( Stenella longirostris) is a small dolphin found in off-shore tropical waters around the world. It is famous for its acrobatic displays in which it rotates around its longitudinal axis as it leaps through the air. It is a member of the family Delphinidae of toothed whales .
After demands were made for a project to save dolphins in India, Project Dolphin was launched as an Indian government initiative to conserve both riverine and oceanic dolphin species in 2021. [1] [2] It was announced on 15 August 2020 during the 74th independence day celebrations by then Indian prime minister Narendra Modi . [3]
The white-beaked dolphin is a robust species of dolphin with a short beak. Adults can reach 2.3 to 3.1 m (7 ft 7 in to 10 ft 2 in) long and weigh 180 to 354 kg (397 to 780 lb). Calves are 1.1 to 1.2 m (3 ft 7 in to 3 ft 11 in) long at birth and probably weigh about 40 kg (88 lb). [4] The upper body and flanks are dark grey with light grey ...
River dolphins are relatives of the Delphinoidea. Oceanic dolphins range in size from the 1.7-metre-long (5 ft 7 in) and 50-kilogram (110-pound) Maui's dolphin to the 9.4-metre (31 ft) and 10-metric-ton (11-short-ton) orca, the largest known dolphin. Several species exhibit sexual dimorphism; the males are larger than females.
Species: I. geoffrensis. Binomial name. Inia geoffrensis. ( Blainville, 1817) Amazon river dolphin range. The Amazon river dolphin ( Inia geoffrensis ), also known as the boto, bufeo or pink river dolphin, is a species of toothed whale endemic to South America and is classified in the family Iniidae. Three subspecies are currently recognized: I ...
The snout of a river dolphin measures about 58 centimeters (2 ft) long, approximately four times as long as that of most marine dolphins. They use their long snout to search for fish on the muddy bottom of the river. River dolphins have smaller eyes than marine dolphins, and their vision is poorly developed because they live in dark, muddy ...
The Indian Ocean humpback dolphin is a medium-sized dolphin that ranges in length from 2 to 2.8 metres (6.6 to 9.2 ft) and in weight from 150 to 200 kilograms (330 to 440 lb). [8] They have a fatty hump on the back, which differentiates them from S. chinensis which have a more prominent dorsal fin, but no hump. [8]
