COMMERSON’S DOLPHIN
Cephalorhynchus Commersonii
BIOEXPEDITION.COM
Anatomy
✤ It has a black head, dorsal fin, and fluke, with a white throat and body
✤ Commerson's dolphins exhibit sexual d...
Commerson's Dolphin
✤ Also known as the
✤ Skunk Dolphin
✤ Piebald Dolphin
✤ Panda Dolphin
✤ The Commerson's dolphin is one...
Anatomy
✤ Blood circulation in the pectoral flippers adjusts to help maintain body
temperature.

✤ Glands at the inner cor...
Anatomy
✤ They have approximately 29 to 30 pairs of pointed teeth in the upper and
lower jaws.

✤ The rostrum and mandible...
Habitat
✤ Most sightings are in the coastal regions near the mouths of bays and
estuaries.

✤ There are two populations se...
Behavior
✤ Commerson's Dolphins are very active and very fast swimmers. 

✤ They are typically found alone or in small gro...
Behavior
✤ The majority of sightings occurred when the dolphins approached boats

✤ They are considered playful swimmers a...
Habitat
✤ They live in cold shallow waters, with temperatures ranging from 1˚ C to
16˚ C

✤ They prefer waters less than 6...
Feeding
✤ Commerson’s Dolphins consume many types of fishes, krill, squid,
cuttlefish, crab and shrimp.

✤ These dolphins ...
Feeding
✤ Commerson's dolphins are sometimes seen feeding alone, but they are
commonly observed cooperatively feeding.

✤ ...
Reproduction
✤ Males reach sexual maturity at between 6-9 years and females between 5
and 9 years.

✤ Gestation period is ...
Reproduction
✤ The calf range from 0.5 to 0.75 m in length and weigh 4.5 to 7.3 kg.

✤ Commerson's dolphins generally live...
Threats
✤ Natural predators may include killer whales, sharks and even leopard
seals.

✤ The Commerson's dolphin is the ce...
Threats
✤ Some pollutants enter the ocean food chain and become concentrated in
the bodies of Commerson's dolphins and oth...
Find us...
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Commerson's Dolphin Facts

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http://www.dolphins-world.com/commersons-dolphin/ - The Commerson's dolphin is also known as the Skunk Dolphin, Piebald Dolphin and Panda Dolphin. - Visit us: http://goo.gl/ZkZz7
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Commerson's Dolphin Facts

  1. 1. COMMERSON’S DOLPHIN Cephalorhynchus Commersonii BIOEXPEDITION.COM
  2. 2. Anatomy ✤ It has a black head, dorsal fin, and fluke, with a white throat and body ✤ Commerson's dolphins exhibit sexual dimorphism, as the female is typically larger than the male. ✤ They are able to move their head in most directions. ✤ This dolphin average 3.9-5.6 ft. and weigh up to 190 lb. BIOEXPEDITION.COM
  3. 3. Commerson's Dolphin ✤ Also known as the ✤ Skunk Dolphin ✤ Piebald Dolphin ✤ Panda Dolphin ✤ The Commerson's dolphin is one of 36 members of the Delphinidae family. BIOEXPEDITION.COM
  4. 4. Anatomy ✤ Blood circulation in the pectoral flippers adjusts to help maintain body temperature.
 ✤ Glands at the inner corners of the eye sockets secrete an oil that lubricates the eyes BIOEXPEDITION.COM
  5. 5. Anatomy ✤ They have approximately 29 to 30 pairs of pointed teeth in the upper and lower jaws.
 ✤ The rostrum and mandible are long and robust and the melon is small and flacid BIOEXPEDITION.COM
  6. 6. Habitat ✤ Most sightings are in the coastal regions near the mouths of bays and estuaries.
 ✤ There are two populations separated by 130° of longitude, or 8,500 km. ✤ The larger population is found in the Strait of Magellan and near the Falkland Islands BIOEXPEDITION.COM
  7. 7. Behavior ✤ Commerson's Dolphins are very active and very fast swimmers. 
 ✤ They are typically found alone or in small groups and on rare occasions have been observed in groups of 100 or more individuals. BIOEXPEDITION.COM
  8. 8. Behavior ✤ The majority of sightings occurred when the dolphins approached boats
 ✤ They are considered playful swimmers and often swim on their back BIOEXPEDITION.COM
  9. 9. Habitat ✤ They live in cold shallow waters, with temperatures ranging from 1˚ C to 16˚ C
 ✤ They prefer waters less than 656 ft. deep BIOEXPEDITION.COM
  10. 10. Feeding ✤ Commerson’s Dolphins consume many types of fishes, krill, squid, cuttlefish, crab and shrimp.
 ✤ These dolphins are primarily carnivores but are often opportunistic coastal feeders. BIOEXPEDITION.COM
  11. 11. Feeding ✤ Commerson's dolphins are sometimes seen feeding alone, but they are commonly observed cooperatively feeding.
 ✤ An adult eat about 10% of their body weight in food daily. BIOEXPEDITION.COM
  12. 12. Reproduction ✤ Males reach sexual maturity at between 6-9 years and females between 5 and 9 years.
 ✤ Gestation period is about 12 months.
 ✤ The calves are born in the austral spring and early summer. BIOEXPEDITION.COM
  13. 13. Reproduction ✤ The calf range from 0.5 to 0.75 m in length and weigh 4.5 to 7.3 kg.
 ✤ Commerson's dolphins generally live less than 10 years in the wild and around 18 years in captivity. BIOEXPEDITION.COM
  14. 14. Threats ✤ Natural predators may include killer whales, sharks and even leopard seals.
 ✤ The Commerson's dolphin is the cetacean species most frequently taken in fishing nets off the coast of southern South America. BIOEXPEDITION.COM
  15. 15. Threats ✤ Some pollutants enter the ocean food chain and become concentrated in the bodies of Commerson's dolphins and other marine predators.
 ✤ The IUCN lists Commerson's Dolphin as Data Deficient in its Red List of Threatened Species
 ✤ About two dozen Commerson's Dolphins live in aquariums around the world BIOEXPEDITION.COM
  16. 16. Find us... Animal Information Facebook Twitter Youtube Pinterest Dolphin Facts COPYRIGHT © 2017

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