At One Place

How long does a sea otter last?

Typical lifespan
10–23 yr

The heaviest mustelid, insulated by the densest fur of any animal rather than by blubber.

Females 15-20 years, males 10-15.

How that compares

Sea otter against things of a similar time.

Sea otter 10–23 yr
Domestic cat 12–20 yr
Oven 10–20 yr
Koala 10–20 yr
Elk 10–20 yr
Pig 10–20 yr
Ceiling fan 10–25 yr
Stand mixer 8–30 yr

What that means over time

Assuming the typical lifespan above and immediate replacement.
Period How many you would buy
Per year 0.0667 replacements
Over 10 years 1 of them
Over a 30-year mortgage 2 of them

Lifespans are medians under ordinary use, not guarantees. Maintenance, how hard it is used, and build quality move individual examples a long way in both directions — which is why the range above is as wide as it is.

More about a sea otter

Common questions

How long does a sea otter last?
A sea otter lasts 10–23 yr. Females 15-20 years, males 10-15.

Related pages

Sources

  1. National Oceanic and Atmospheric Administration — NOAA (Public domain (US Government))

How these figures are compiled and checked