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Dense (Blainville’s) Beaked Whale


Scientific Name:
Mesoplodon densirostris
Length:
4.5 - 6.0 m (14.8 - 19.7 ft)
Weight:
820 - 1030 kg (1800 - 2300 lbs)
Status:
data deficient
Prey:
Fish (gadidae, myctophidae) and squid

Physical characteristics

They habe a medium-sized round body with a small, wide dorsal fin and a low, sloping forehead. The coloration is dark gray to brownish blue on the back and whiteish gray on the bottom. They have a wrinkled skin. Males have large tusk-like teeth.

Behavioral characterization

Dive times are up to 22 minutes. Little splashing is seen.

Distribution

Tropical and warm waters

Population size

33,000

Predators

Sharks and killer whales.

Migration/Dispersal patterns

Unknown

Social system/Group size

Usually solitary, but sometimes small groups with maximum one adult male are seen.

Major threats

Pollution and entanglement in fishing gear.

Research efforts

N/A

Fun fact

The erupted tusk-like teeth of adult males are sometimes covered with barnacles.