It is hard to guess what a Marine otter weights. But we have the answer:
An adult Marine otter (Lontra felina) on average weights 11.2 kg (24.69 lbs).
The Marine otter is from the family Mustelidae (genus: Lontra). When reaching adult age, they grow up to 67.8 cm (2′ 3″). Usually, Marine otters have 2 babies per litter.
As a reference: An average human weights in at 62 kg (137 lbs) and reaches an average size of 1.65m (5′ 5″). Humans spend 280 days (40 weeks) in the womb of their mother and reach around 75 years of age.
The marine otter (Lontra felina) is a rare and relatively unknown South American mammal of the weasel family (Mustelidae). The scientific name means “otter cat”, and in Spanish, the marine otter is also often referred to as gato marino: “marine cat”. The marine otter (while spending much of its time out of the water) only lives in saltwater, coastal environments and rarely ventures into freshwater or estuarine habitats. This saltwater exclusivity is unlike most other otter species, except for the almost fully aquatic sea otter (Enhydra lutris) of the north Pacific.
Animals of the same family as a Marine otter
We found other animals of the Mustelidae family:
- Striped polecat with a weight of 812 grams
- Lesser grison bringing 1 kilos (2.2 lbs) to the scale
- Wolverine bringing 12.8 kilos (28.22 lbs) to the scale
- Sunda stink badger bringing 2.5 kilos (5.51 lbs) to the scale
- Asian small-clawed otter bringing 3.53 kilos (7.78 lbs) to the scale
- Neotropical otter bringing 6.55 kilos (14.44 lbs) to the scale
- Saharan striped polecat with a weight of 218 grams
- Humboldt’s hog-nosed skunk bringing 1.1 kilos (2.43 lbs) to the scale
- Malayan weasel with a weight of 569 grams
- Striped hog-nosed skunk bringing 2.01 kilos (4.43 lbs) to the scale
Animals with the same weight as a Marine otter
As a comparison, here are some other animals that weight as much as the Lontra felina:
- Malabar large-spotted civet with a weight of 12.08 kilos (26.63 lbs)
- Mountain paca with a weight of 9 kilos (19.84 lbs)
- Gray snub-nosed monkey with a weight of 12.3 kilos (27.12 lbs)
- Stump-tailed macaque with a weight of 9.38 kilos (20.68 lbs)
- Nilgiri langur with a weight of 10.6 kilos (23.37 lbs)
- Grizzled tree-kangaroo with a weight of 12.61 kilos (27.8 lbs)
- Bennett’s tree-kangaroo with a weight of 10.48 kilos (23.1 lbs)
- Tonkin snub-nosed monkey with a weight of 9.09 kilos (20.04 lbs)
- Red-flanked duiker with a weight of 12.06 kilos (26.59 lbs)
- Black-shanked douc with a weight of 10.33 kilos (22.77 lbs)
Animals with the same size as a Marine otter
Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Marine otter:
- Smooth-coated otter with a size of 78.8 cm (2′ 8″)
- Red panda with a size of 58.3 cm (1′ 11″)
- Black dorcopsis with a size of 59.2 cm (2′ 0″)
- Mantled howler with a size of 57.7 cm (1′ 11″)
- Pallas’s cat with a size of 57.3 cm (1′ 11″)
- Ursine tree-kangaroo with a size of 62.4 cm (2′ 1″)
- Margay with a size of 60 cm (2′ 0″)
- Red-rumped agouti with a size of 57.4 cm (1′ 11″)
- Dusky pademelon with a size of 54.5 cm (1′ 10″)
- Southern muriqui with a size of 57.8 cm (1′ 11″)
Animals with the same litter size as a Marine otter
Here is a list of animals that have the same number of babies per litter (2) as a Marine otter: