Yangtze river dolphin (baiji)
E85260
The Yangtze river dolphin, or baiji, was a nearly blind freshwater dolphin endemic to China’s Yangtze River and is now considered functionally extinct due to habitat degradation and human activity.
Observed surface forms (4)
| Surface form | Occurrences |
|---|---|
| Yangtze river dolphin | 0 |
| Baiji | 1 |
| Chinese river dolphin | 1 |
| Yangtze River dolphin | 1 |
Statements (56)
| Predicate | Object |
|---|---|
| instanceOf |
cetacean
ⓘ
endemic species ⓘ extinct species ⓘ freshwater dolphin ⓘ mammal ⓘ toothed whale ⓘ |
| averageLength | about 2.3 to 2.5 meters ⓘ |
| averageWeight | about 135 to 230 kilograms ⓘ |
| bodyColor |
bluish gray
ⓘ
pale underside ⓘ |
| causeOfDecline | intensive human activity on the Yangtze River ⓘ |
| class | Mammalia ⓘ |
| commonName | baiji ⓘ |
| conservationStatusSystem |
IUCN Red List of Threatened Species
ⓘ
surface form:
IUCN Red List
|
| country | China ⓘ |
| culturalSignificance | known as the "Goddess of the Yangtze" in Chinese folklore ⓘ |
| diet |
fish
ⓘ
small freshwater fish ⓘ |
| distribution |
Lake Dongting
ⓘ
surface form:
Dongting Lake
Poyang Lake ⓘ middle and lower reaches of the Yangtze River ⓘ |
| ecologicalRole | apex predator in Yangtze freshwater ecosystem ⓘ |
| endemicTo | China ⓘ |
| eyeAdaptation | poor eyesight ⓘ |
| eyeCharacteristic | very small eyes ⓘ |
| family | Lipotidae ⓘ |
| feedingBehavior | active predator ⓘ |
| genus | Lipotes ⓘ |
| gestationPeriod | about 10 to 11 months ⓘ |
| habitat |
freshwater river
ⓘ
large turbid river channels ⓘ |
| IUCNStatus | Critically Endangered (Possibly Extinct) ⓘ |
| kingdom | Animalia ⓘ |
| lastConfirmedSurvey | 2006 Yangtze River survey ⓘ |
| lastConfirmedSurveyResult | no individuals found ⓘ |
| lifespan | estimated up to 24 years ⓘ |
| maximumLength | around 2.7 meters ⓘ |
| namedBy | John Edward Gray ⓘ |
| nativeTo | Yangtze River ⓘ |
| order | Cetacea ⓘ |
| phylum | Chordata ⓘ |
| primaryThreat |
bycatch in fishing gear
ⓘ
dam construction ⓘ habitat degradation ⓘ overfishing ⓘ pollution ⓘ ship traffic ⓘ |
| rangeType | riverine ⓘ |
| reproduction | gives birth to a single calf ⓘ |
| scientificName |
Lipotes
ⓘ
surface form:
Lipotes vexillifer
|
| sensoryAdaptation | echolocation ⓘ |
| sexualDimorphism | females larger than males ⓘ |
| snoutCharacteristic | long narrow beak ⓘ |
| statusDescription | functionally extinct ⓘ |
| taxonRank | species ⓘ |
| yearDescribed | 1870 ⓘ |
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Yangtze River dolphin
this entity surface form:
Chinese river dolphin
this entity surface form:
Baiji