Q. Consider the following statements regarding the humpback dolphins:
1.They are found in relatively shallow nearshore waters throughout their range.
2.The Indian Ocean humpback dolphin is particularly seen along the Odisha coast.
3.All the species of humpback dolphins are categorised as endangered by the IUCN.
How many of the above statements are correct?

[A] Only one

[B] Only two

[C] All three

[D] None

Answer: A
Notes:

Explanation: 1 only

Statement 1 is correct: They are found in relatively shallow nearshore waters throughout their range which includes most of the coastlines in Australia, Africa and Asia.

Statement 2 is incorrect: The Indian Ocean humpback dolphin (Sousa plumbea) is particularly seen along the Kerala coast.

Statement 3 is incorrect: Conservation Status of Humpback Dolphins

  • Atlantic humpback dolphin – critically endangered
  • Indian ocean humpback dolphin – endangered
  • Indo-Pacific humpback dol­phin- vulnerable
  • Australian humpback dolphin – vulnerable

Source: IE

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