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Snubfin Dolphin


Scientific Name:
Orcaella heinsohni
Length:
male: 2.7 m (8.9 ft);female: 2.3 m (7.6 ft)
Weight:
130 kg (285 lbs)
Status:
edangered
Prey:
Estuarine fish, cephalopods and shrimp

Physical characteristics

Has a small, rounded dorsal fin and a blunt head with no beak, that is gray-brown with withe sides. Has a distinct neck crease.

Behavioral characterization

N/A

Distribution

Northern territories of Australia, northwestern New Guinea, and southern New Guinea from the coast of Merauke east to the Gulf of Papua

Population size

1,000

Predators

Sharks

Migration/Dispersal patterns

Detailed research on the migratory patterns is not yet available, but there is a significant seasonal change in destribution. Resightings in the same area suggest some degree of residency.

Social system/Group size

Usually seen in groups of 2 - 14; sometimes co-occur with Indo-Pacific humpback dolphin, where they show aggressive and sexual behavior.

Major threats

The two majot threats are entanglement in fishing gear and anti-shark nets and the habitat degradation due to urban, industrial and agricultural development.

Research efforts

N/A

Fun fact

The dolphin looks a lot like Irrawaddy dolphin, but has lighter colors: