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Head to head

Marine Otter vs Southern River Otter

Marine Otter
VS
Southern River Otter

Both otters share a history of heavy fur hunting and an Endangered status today, but their habitat choices set them apart sharply.

Marine Otter Southern River Otter
Scientific name Lontra felina Lontra provocax
Conservation status Endangered Endangered
Population trend Decreasing Decreasing
Habitat flexibility Almost entirely marine coastline Both freshwater and coastal marine habitat
Local name Chungungo Huillin
Body size Smaller than most other otter species Larger, more typical otter build
Historical threat Hunted heavily for fur Hunted heavily for fur
Habitat Ocean, coastal Wetlands, ocean, coastal

Marine Otter vs Southern River Otter: common questions

Which one is more restricted to the ocean?

The marine otter is, living almost entirely in the sea along rocky Pacific coastlines, while the southern river otter moves more freely between freshwater rivers, lakes, and coastal marine habitat.

Which one is smaller?

The marine otter has a smaller body than most other otter species, including the southern river otter, an adaptation that may help it manoeuvre among rocky coastal crevices.

Do both species face the same historical threat?

Yes, both species were hunted heavily for their fur throughout the twentieth century, a pressure that drove significant declines and left both classified as Endangered today.

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