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Large mammals

Indian Ocean humpback dolphin

Indian Ocean humpback dolphin · Sousa plumbea

Indian Ocean humpback dolphin
Zwei bleifarbene Delfine schwimmen nah an der Wasseroberfläche vor sandigem Dünenstrand

The Indian Ocean humpback dolphin loves shallow coastal waters and is easy to recognise by its curved dorsal fin and variable colouring.

Fact file

Size
2 to 2.6 metres long, weighing up to 190 kilograms
Males and females
Females and males hardly distinguishable from the outside
Sounds
Use clicks, squeaks and short whistles to communicate
Diet
Hunt fish, crustaceans and squid in shallow water
Offspring
Usually one calf after a gestation period of 12 months, with birth often at the beginning of summer

How to identify Indian Ocean humpback dolphin

The Indian Ocean humpback dolphin shows a characteristic colour spectrum from light grey to lead grey. Its skin often appears mottled, especially in older animals, which stand out due to scars and changes in the skin. The distinctive dorsal fin is easy to recognise: it is tall, strongly curved backwards and broader at the base than in other dolphin species.

At a length of 2 to 2.6 metres and a weight of up to 190 kilograms, the Indian Ocean humpback dolphin is medium-sized. Its elongated head has no pronounced beak, which distinguishes it from other dolphins. The darker back and lighter underside are striking.

More in the app

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  • general viewing tips
  • 2 places where you can see Indian Ocean humpback dolphin

Where Indian Ocean humpback dolphin live

South Africa

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