Species · GBIF taxon 2433738
Neotropical Otter
Lontra longicaudisAlso known as Neotropical River Otter, Water Dog, Perro de Agua, Lobito de Rio
Neotropical otters are highly adaptable, solitary semi-aquatic predators that navigate a wide range of watery habitats from fast-flowing mountain streams to sluggish lowland rivers. They spend their days hunting for fish and crabs, using their sensitive whiskers to detect prey in murky waters before dragging their catch to streamside rocks to feed. Unlike their highly social giant otter cousins, these sleek mustelids prefer their own company, coming together only briefly to mate or raise young in hidden dens along the riverbanks.
SemiaquaticSolitaryAgile
—observations
—countries
—peak records
Near ThreatenedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNear ThreatenedRed List categories, explained →
Diet & prey
- Fish
- Crabs
- Frogs
Predators
- Jaguars
- Spectacled caimans
- Anacondas
ThreatsHabitat destruction, water pollution, illegal poaching, and conflicts with fishermen
HabitatsFreshwater rivers, streams, swamps, coastal lagoons, and deciduous forests
Life spanUp to 10 to 14 years in the wild
Size / weightNot available
Classification
- FamilyMustelidae
- SpeciesLontra longicaudis
Range data is not available yet.
Interaction riskLow
- Low
- Moderate
- High
- Very high
- Why interaction risk is low
- Can deliver a painful bite if cornered or threatened; maintain a respectful distance from riverbanks.
- Why it is dangerous
- Equipped with sharp teeth and strong jaws designed for crushing crab shells, they can inflict deep puncture wounds if cornered.
- How to recognize a risky encounter
- Look for a sleek, dark brown body, a pale throat, and a long, tapered tail swimming low in the water.
- What to do
- Never approach an otter on land or block its path to the water; back away slowly if it vocalizes or stares intensely.
- What to notice
- Recognized by their solitary habits and smaller size compared to the highly vocal, group-living giant otter.
- Support conservation
- Avoid disturbing riverside dens or clearing native vegetation along banks where they raise their pups.
Responsible observation
- Look for spraint: Search flat rocks and fallen logs near the water for fish-scale-filled droppings used to mark territory.
- Keep your distance: Use binoculars or a zoom lens to watch them swim without disrupting their hunting patterns.
- Listen closely: Pay attention to sharp, bird-like chirps and whistles that signal their presence in thick riverside vegetation.
Competitor Charles J. Sharp / CC BY-SA 4.0 · cc-by-sa
Close Relative no rights reserved, uploaded by Adam Jackson · cc0
Close Relative "Southern River Otter" by Henrik Kibak is licensed under CC BY 4.0. To view a copy of this license, visit https://creativecommons.org/licenses/by/4.0/. · cc-by
Close Relative (c) Sakura1994, some rights reserved (CC BY-SA) · cc-by-sa
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