Blainville's Beaked Whale

Mesoplodon densirostris


Scientific Name: Mesoplodon densirostris

Other Names: Atlantic Beaked Whale, Dense Beaked Whale, Tropical Beaked Whale

Suborder: Odontoceti

Family: Ziphiidae

This medium-sized beaked whale ranges from brown to grey above with a paler underside. It has a flattish forehead and indistinct melon with arched lower jaws which form bluges around the base of the beak. Males have a pair of teeth which protrude above the arched lower jaw, females and young do not have these teeth.

Maximum Length
Adult: 4.5-6m
Newborns: 1.9-2.6m

Maximum Weight
Adult: 0.7 - 1.03 tons 

Blainville's Beaked Whale Ecology

Range: Tropical and warm temperate seas.

Usual Habitat: Mainly occurs offshore in areas with deeper waters.

Usual group size: Usually occurs singly or as groups of 3-7, less often 12

Main Diet: Small fish and squid in deep water.

Local population: Unknown 

Global range of Blainville's Beaked Whale

Blainville's Beaked Whales are likely to be found in the dark blue areas 

Conservation Information  

Protection and Conservation Status

IUCN Conservation Status: 
Blainville's Beak Whales are listed as "Data Deficient" on the IUCN red list.

SPAW Protocol:  Blainville's Beak Whales are cetaceans, which are listed under Annex II of the SPAW protocol. As such they require total protection under article 11 of this protocol which prohibits the "taking, possession, killing and commercial trade of the species, their parts or products". The SPAW protocol was created to help with the implementation and promotion of the Ramsar Convention and the Convention on Biological Diversity. The Annexes of the SPAW protocol can be found here.

Local Laws: Cetaceans are protected under the Conservation of Wildlife Act of Trinidad and Tobago which offers protection to all species not listed under the second or third schedules of this act.
Reports of Blainville's Beaked Whales in Trinidad and Tobago

There are currently no reports of this species in Trinidad and Tobago.


The above information was obtained from the following sources:

We would like to thank the following people for the use of the art work and photographs:
  • Alësha Naranjit (Illustration of Blainville's Beaked Whale)

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