Mesoplodon

• North Atlantic beaked whale Mesoplodon bidens

  

  This beaked whale lives in cold North Atlantic waters. Its reported diet is mainly squid and small fish, although its natural history remains poorly known.

• Blainville's Beaked Whale Mesoplodon densirostris

  

  Blainville's beaked whale is a toothed whale of deep offshore waters in tropical to temperate regions. In mature males, tusk-like teeth project from the arched lower jaw.

• Gervais' beaked whale Mesoplodon europaeus

  

  Gervais' beaked whale is a member of the beaked-whale family that lives in deep Atlantic waters. It is rarely seen at sea and is usually alone or in small, closely associated groups.

• Layard's beaked whale Mesoplodon layardii

  

  This beaked whale is recorded in cold-temperate seas of the Southern Hemisphere. It has a spindle-shaped body and slender beak, with a bluish-black to dark-purple body and white patches, according to a university species account.

• True's Beaked Whale Mesoplodon mirus

  

  A whale with a rounded forehead and short beak that feeds on fish and squid in deep water.

• Andrew's Beaked Whale Mesoplodon bowdoini

  This beaked whale lives in temperate waters around the Southern Hemisphere. Most records come from strandings; it is rarely seen at sea and appears to avoid vessels.

• Hubbs' Beaked Whale Mesoplodon carlhubbsi

  This beaked whale is recorded in deep waters of the North Pacific. At-sea sightings are rare, so much about its appearance and behavior remains uncertain.

• Ramari's beaked whale Mesoplodon eueu

  This beaked whale is known from temperate waters of the Southern Hemisphere. Genomic and specimen comparisons led to its description as distinct from True’s beaked whale, but its appearance does not reliably distinguish it from the close relative M. mirus.

• Ginkgo-toothed Beaked Whale Mesoplodon ginkgodens

  This Pacific beaked whale has ginkgo-leaf-shaped teeth in adult males. DNA confirmed a whale swimming off Mexico in 2024.

• Gray's Beaked Whale Mesoplodon grayi

  This whale occurs widely in deep, cold temperate waters of the Southern Hemisphere. It has a prominent beak and small flippers.

• Hector's Beaked Whale Mesoplodon hectori

  Hector's beaked whale is a small toothed whale recorded offshore in cool-temperate waters of the Southern Hemisphere. The sexes differ in color, and species-specific ecological records are limited.

• Deraniyagala's Beaked Whale Mesoplodon hotaula

  Deraniyagala's beaked whale is rarely seen alive. Five sightings in the South China Sea from 2019 to 2023 were confirmed as this species, and the paper described differences in markings by age and sex.

• Gervais' beaked whale Mesoplodon europaeus

  Gervais' beaked whale is a member of the beaked-whale family that lives in deep Atlantic waters. It is rarely seen at sea and is usually alone or in small, closely associated groups.

• North Atlantic beaked whale Mesoplodon bidens

  This beaked whale lives in cold North Atlantic waters. Its reported diet is mainly squid and small fish, although its natural history remains poorly known.

• Blainville's Beaked Whale Mesoplodon densirostris

  Blainville's beaked whale is a toothed whale of deep offshore waters in tropical to temperate regions. In mature males, tusk-like teeth project from the arched lower jaw.

• True's Beaked Whale Mesoplodon mirus

  A whale with a rounded forehead and short beak that feeds on fish and squid in deep water.

• Layard's beaked whale Mesoplodon layardii

  This beaked whale is recorded in cold-temperate seas of the Southern Hemisphere. It has a spindle-shaped body and slender beak, with a bluish-black to dark-purple body and white patches, according to a university species account.