How much do Commerson dolphins weigh?
50 kgAdult
Commerson’s dolphin/Mass
How many Commerson dolphins are left?
The second population of Commerson’s lives in shallow coastal waters around the Kerguelen Islands in the southern Indian Ocean. Despite the distance between South America and Kerguelen Commerson’s dolphin populations, most scientists currently recognize only one Commerson’s dolphin species.
How long do Commerson’s dolphins live?
How long do Commerson’s Dolphins live? Data is thin on Commerson’s Dolphins lifespans, but the oldest known example (in an aquarium) died at 18 years of age. They’re believed to live to about 10 years of age in the wild.
What do Commerson’s dolphins eat?
These active predators eat a wide variety of food from both open water and the sea floor. They consume many types of small fishes, as well as invertebrates such as krill, squid, cuttlefish, crab, shrimp, and squid.
How big do Commerson’s dolphins get?
These are one of the smallest dolphins reaching lengths of up to 1.2 to 1.7 m (3.9 to 5.6 ft.). Females are typically larger than males. Newborn calves are approximately 55 to 65 cm (21.7 to 25.6 in.)
What is the difference between Hector’s dolphin and Maui’s dolphin?
Differences between Hector’s and Māui dolphin Hector’s and Māui dolphins may look identical, but they are physically and genetically different. Māui dolphins have very slightly larger skulls than Hector’s dolphins and a longer, wider rostrum or snout. Genetic methods are used to tell the subspecies apart.
Can dolphins sense pregnancy?
Using echolocation, dolphins might be able to detect a pregnant woman’s developing fetus, some experts say. Dolphins emit sounds in their environment and listen to the echoes that return — a process that helps them identify the shapes and locations of objects.
Are Commerson’s dolphin endangered?
Data deficient (Data inadequate to determine a threat category)
Commerson’s dolphin/Conservation status
Can dolphins be black?
Many dolphins are grey in color, some species have various patterns of black and white, and a few are even pink. In terms of behavior, all species of dolphins are quite gregarious. In fact, many dolphin species can form groups of over 1,000 individuals, known as super pods!
How do dolphins drink water?
Dolphins don’t drink water Dolphins, like other sea mammals, don’t drink the seawater they swim in. Instead, dolphins hydrate using water from their food. The blood and fluid of a sea creature is roughly one-third as salty as ocean water.
What is the smallest dolphin?
Hector’s dolphins
Facts. Hector’s dolphins are the smallest and rarest marine dolphins in the world. They have distinct black facial markings, short stocky bodies and a dorsal fin shaped like a Mickey Mouse ear.
How big was the first Commerson’s dolphin calf?
The first Commerson’s dolphin calf ever born in a marine zoological environment was born at SeaWorld San Diego on February 21, 1985. The calf weighed approximately 9 kg (20 lbs.) and measured 61 cm (2 ft.). Commerson’s dolphins are fast and highly maneuverable cetaceans regularly swimming at speeds of 11 to 13 kph (7 to 8 mph).
How big does a Commerson’s dolphin get at SeaWorld?
These are one of the smallest dolphins reaching lengths of up to 1.2 to 1.7 m (3.9 to 5.6 ft.). Females are typically larger than males. Newborn calves are approximately 55 to 65 cm (21.7 to 25.6 in.) in length. Commerson’s dolphins can reach weights of up to 35 to 60 kg (77 to 132 lbs.).
How are Commerson’s Dolphins different from other dolphins?
Commerson’s dolphins are a small and very distinctive species with mostly black on the head, fin and flipper regions and mostly white in the other areas of the body. Young Commerson’s are usually brown or black and gray for the first four to five months. The dorsal fin is small and rounded at the tip and the beak is small or unnoticeable.
How much food does a Commerson’s dolphin eat?
Commerson’s dolphins typically eat 3.5 to 6 kg (8 to 13 lbs.) of food per day. This is proportionally a much greater amount than either killer whales or bottlenose dolphins ingest each day, and is due to their metabolic rate that is two to three times higher than many other whale or dolphin species.