Atlantic white-sided dolphin

E79928

The Atlantic white-sided dolphin is a small, agile marine mammal found in the cold temperate waters of the North Atlantic Ocean, known for its striking black, white, and yellowish coloration and highly social behavior.

Jump to: Surface forms Statements Referenced by

Observed surface forms (1)

Surface form Occurrences
Lagenorhynchus acutus 1

Statements (61)

Predicate Object
instanceOf marine mammal
species of dolphin
activityPattern diurnal and nocturnal
authority (Gray, 1828)
beak short beak
behavior acrobatic
often bow-rides vessels
binomialName Atlantic white-sided dolphin self-linksurface differs
surface form: Lagenorhynchus acutus
bodyLength about 2.5 to 3.1 meters
bodyMass about 200 to 230 kilograms
calvingInterval about 2 to 3 years
CITESListing Appendix II
class Mammalia
coloration black back
light gray flank patch
white underside
yellowish or pale tan flank patch
commonName Atlantic white-sided dolphin self-link
conservationMeasure protected under various national laws in range states
diet crustaceans
fish
squid
distinguishedBy yellowish flank patch
dorsalFin tall falcate dorsal fin
dorsalFinColor dark with pale patch
echolocation yes
family Odontoceti
surface form: Delphinidae
foragingStrategy cooperative hunting
genus Lagenorhynchus
geographicDistribution eastern North Atlantic
waters off Europe
waters off Greenland
waters off Iceland
waters off North America
waters off the British Isles
western North Atlantic
gestationPeriod about 10 to 12 months
groupSize often forms groups of 10 to several hundred individuals
superpods of over 1000 individuals reported
habitat cold temperate waters
continental shelf waters
offshore waters
IUCNStatus Least Concern
IUCNStatusSystem IUCN Red List of Threatened Species
surface form: IUCN Red List
kingdom Animalia
lifespan up to about 27 years or more in the wild
migration seasonal movements linked to prey distribution
nativeTo Atlantic Ocean
surface form: North Atlantic Ocean
order Cetacea
phylum Chordata
reproduction viviparous
sexualDimorphism males larger than females
similarTo white-beaked dolphin
socialBehavior highly social
swimmingSpeed fast swimmer
taxonRank species
threat bycatch in fishing gear
historical hunting
noise disturbance
pollution
vocalization uses clicks and whistles for communication

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Atlantic white-sided dolphin binomialName Atlantic white-sided dolphin self-linksurface differs
this entity surface form: Lagenorhynchus acutus
Atlantic white-sided dolphin commonName Atlantic white-sided dolphin self-link
Stellwagen Bank habitatFor Atlantic white-sided dolphin