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Hourglass Dolphin (Lagenorhynchus cruciger)

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PHYLUM: Chordata
CLASS: Mammalia
ORDER: Cetacea
FAMILY: Delphinidae
GENUS: Lagenorhynchus
SPECIES: cruciger

TOOTHED or TOOTHLESS (BALEEN): Toothed

FRESHWATER, SALTERWATER or BRACKISH: Saltwater

HABITAT: Offshore waters in the southern hemisphere. Polar regions

LENGTH (maximum): 6Ft

WEIGHT (maximum): Unknown

RELATIVE SPECIES: Dusky dolphin, white-sided dolphins, Peale’s dolphin

NEIGHBORING SPECIES: Killer whale, Long-finned Pilot whale

PREDATORS: Humans

This species is classified as LEAST CONCERN according to the IUCN's Red List.
This species is classified as LEAST CONCERN according to the IUCN’s Red List.

THREATS: Rarely caught in gillnets.

DIET: Small fish and squid

MANNER OF FEEDING: Feeding often occurs in large groups of cetaceans and sea birds.

BEHAVIOR: Quick energetic movements. Likes to bow ride and play in wakes from boats. Usually travel in groups of 4-7 but occasionally in groups of up to 100. Often seen with fin whales.

REPRODUCTION: Unknown

LIFE SPAN: Unknown

COOL/GROSS/WEIRD:

  • The only polar dolphin.
  • Can be mistaken for penguins.
  • Markings resemble an hourglass.

SOURCES:

  • Knopf, Alfred A. Guide to Marine Mammals of the World.Random House. 2002
  • http://www.cms.int/reports/small_cetaceans/data/L_cruciger/L_cruciger.htm

 

-TSF-

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