Learn

South American Dusky Dolphin


Scientific Name:
Lagenorhynchus obscurus fitzroyi
Length:
2.1 m (6.9 ft)
Weight:
100 kg (220 lbs)
Status:
data deficient
Prey:
Southern anchovy, patagonian squid, hake and pampanito

Physical characteristics

Has a dark grey or black body with a two toned dorsal fin.

Behavioral characterization

Known to be a coordinated hunter and to associate with various sea birds and other cetaceans.

Distribution

The coastal waters in the southern hemisphere.

Population size

Over 20,000

Predators

Sharks

Migration/Dispersal patterns

They are migrating north during winter.

Social system/Group size

Seen usually in groups of 8 - 10; several groups gather for feeding and social/sexual activity.

Major threats

Hunted and used as shark baits in Peru.

Research efforts

N/A

Fun fact

They leap noisily to create a loud flapping sound.