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Dolphins and Other Small Cetaceans

A wide variety of cetaceans belong to the dolphin family. These toothed whales tend to be much smaller than the great whales. However, most species of dolphins and other small cetaceans face threats from commercial fishing. An estimated 300,000 cetaceans (whales, dolphins and porpoises) are killed every year, mostly as bycatch. Like whales, some small cetaceans are hunted for their meat, particularly in Japan and the Faroe Islands. Many species are also threatened by illegal poaching. Marine pollution results in the accumulation of toxic chemicals and metals in the meat of dolphins leading doctors in several countries to caution against consuming dolphin meat.
 
The IUCN (International Union for Conservation of Nature) continues to monitor and evaluate the status of cetaceans. Many species are listed as Data Deficient due to a lack of complete and comprehensive information on population totals.
 
Image

Name

Status

Arnoux' beaked whale
DD
Baird's beaked whale
DD
Commerson's dolphin
DD
Chilean dolphin
NT
Heaviside's dolphin
DD
Hector's dolphin
Maui's dolphin
EN
CR
Beluga whale
Cook Inlet beluga whale
NT
CR
Long-beaked common dolphin
DD
Short-beaked common dolphin
Black Sea common dolphin
Mediterranean common dolphin
LC
VU
EN
Pygmy killer whale
DD
Short-finned pilot whale
DD
Long-finned pilot whale
DD
Risso's dolphin
LC
Northern bottlenose whale
DD
Sothern bottlenose whale
LC
Tropical bottlenose whale (Longman's beaked whale)
DD
Boto (Amazon River dolphin)
DD
Pygmy sperm whale
DD
Dwarf sperm whale
DD
Fraser's dolphin
LC
Atlantic white-sided dolphin
LC
White-beaked dolphin
LC
Peale's dolphin
DD
Hourglass dolphin
LC
Pacific white-sided dolphin
LC
Dusky dolphin
DD
Baiji (Yangtze River dolphin)
CR
PE
Northern right whale dolphin
LC
Southern right whale dolphin
DD
Sowerby's beaked whale
DD
Andrews's beaked whale
DD
Hubb's beaked whale
DD
Blainville's beaked whale
DD
Gervais' beaked whale
DD
Ginko-toothed beaked whale
DD
Gray's beaked whale
DD
Hector's beaked whale
DD
Strap-toothed whale
DD
True's beaked whale
DD
Perrin's beaked whale
DD
Pygmy beaked whale
DD
Stejneger's beaked whale
DD
Narwhal
NT
Finless porpoise
Yangtze finless porpoise
VU
EN
Irrawaddy dolphin
Ayeyarwady River Irrawaddy dolphin
Mahakam River Irrawaddy dolphin
Malampaya Sound Irrawaddy dolphin
Mekong River Irrawaddy dolphin
Songkhla Lake Irrawaddy dolphin
VU
CR
CR
CR
CR
CR
Australian snubfin dolphin
NT
Killer Whale
DD
Melon-headed whale
LC
Spectacled porpoise
DD
Harbour porpoise
Baltic Sea harbour porpoise
Black Sea harbour porpoise
LC
CR
EN
Vaquita
CR
Burmeister's porpoise
DD
Dall's porpoise
LC
South Asian river dolphin
Ganges dolphin
Indus River dolphin
EN
EN
EN
Franciscana
Rio Grande do Sul/Uruguay franciscana
VU
VU
False killer whale
DD
Tucuxi
DD
Indo-Pacific humpback dolphin
Eastern Taiwan Strait humpback dolphin
NT
CR
Atlantic humpback dolphin
VU
Pantropical spotted dolphin
LC
Clymene dolphin
DD
Striped dolphin
LC
Atlantic spotted dolphin
DD
Spinner dolphin
Eastern spinner dolphin
DD
VU
Rough-toothed dolphin
LC
Shepherd's beaked whale
DD
Indo-Pacific bottlenose dolphin
DD
Common bottlenose dolphin
Black Sea bottlenose dolphin
LC
EN
Cuvier's beaked whale
LC

 
For a complete list of threatened Cetaceans, including Dolphins, refer to the IUCN Red List.
 
IUCN Status
CR: Critically Endangered
EN: Endangered
VU: Vulnerable
NT: Near Threatened
LR/CD: Lower Risk/Conservation Dependent
LC: Least Concern
DD: Data Deficient
PE: Possibly Extinct

IWPO uses some copyrighted visual content under legal provisions for 'fair use'.
Threats
Whalers
IWC
The International Whale Protection Organization is a non-profit association against the exploitation of whales and dolphins.