Sea Otters
E440136
Sea otters are marine mammals known for their dense fur, playful behavior, and habit of using rocks as tools to open shellfish while floating on their backs in coastal waters of the North Pacific.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| Sea otter | 0 |
| southern sea otter | 1 |
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
marine mammal
ⓘ
species of mammal ⓘ |
| activityPattern | mostly diurnal ⓘ |
| averageAdultLength | 1–1.5 meters ⓘ |
| averageAdultMass | 14–45 kilograms ⓘ |
| behavior |
floats on back while feeding
ⓘ
playful social interactions ⓘ |
| class | Mammalia ⓘ |
| commonName |
northern sea otter
ⓘ
sea otter ⓘ |
| conservationAction |
legal protection under Marine Mammal Protection Act (US)
ⓘ
listed under Endangered Species Act (southern sea otter, US) ⓘ |
| diet |
clams
ⓘ
crabs ⓘ fish ⓘ mussels ⓘ sea urchins ⓘ snails ⓘ |
| effectOnEcosystem | controls sea urchin populations ⓘ |
| family | Mustelidae NERFINISHED ⓘ |
| furDensity | up to 1,000,000 hairs per square inch ⓘ |
| genus | Enhydra NERFINISHED ⓘ |
| habitat |
kelp forest ecosystems
ⓘ
nearshore coastal waters ⓘ rocky shorelines ⓘ |
| hasFur | extremely dense underfur ⓘ |
| insulationMethod | fur rather than blubber ⓘ |
| IUCNStatus | Endangered ⓘ |
| kingdom | Animalia ⓘ |
| lifespanInCaptivity | up to about 20 years ⓘ |
| lifespanInWild | 10–15 years ⓘ |
| nativeTo |
British Columbia
NERFINISHED
ⓘ
California coast NERFINISHED ⓘ Japan (historically) NERFINISHED ⓘ North Pacific Ocean NERFINISHED ⓘ Russia Far East NERFINISHED ⓘ Washington State NERFINISHED ⓘ coastal Alaska ⓘ |
| order | Carnivora ⓘ |
| phylum | Chordata ⓘ |
| reproduction | gives birth to single pup ⓘ |
| restingBehavior | wraps in kelp to anchor while resting ⓘ |
| roleInEcosystem | keystone species in kelp forests ⓘ |
| scientificName | Enhydra lutris NERFINISHED ⓘ |
| socialStructure | forms groups called rafts ⓘ |
| taxonRank | species ⓘ |
| threat |
disease
ⓘ
entanglement in fishing gear ⓘ historical fur trade hunting ⓘ oil spills ⓘ predation by orcas ⓘ |
| usesTool | rocks to open shellfish ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
southern sea otter