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  3. Eurasian Water Shrew

One of the 2 shrews on WAnimals

Mammals · Eulipotyphla · Soricidae

Eurasian Water Shrew

Neomys fodiens

Least Concern

The species is abundant and widely distributed; it faces no significant short-term risk.

Spotted something wrong?

It is the only European shrew specialised in hunting underwater, helped by stiff bristles on its feet and tail that act as makeshift fins. Its saliva carries a toxin able to subdue prey far larger than itself.

Weight

12 g – 18 g

Size

6 cm – 10 cm

Life expectancy

1 year

Diet

Piscivore

Feeds mainly on fish.

Activity

Nocturnal

Active mainly at night.

Social structure

Solitary

Lives and hunts alone, joining others only to breed.

Sighting difficulty

Easy

Freshwater
46countries196parks5same family

Fun facts

  • It is the only European shrew specialised in hunting underwater.
  • Its venomous saliva can subdue prey such as voles, far larger than itself.
  • It can stay under for dives of up to 20 seconds.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (mammal)
Habitat and environment
Banks of freshwater rivers, streams and ponds across much of Eurasia, as far as the Russian Pacific and North Korea
Birth weight
~1 gram
Size at birth
Tiny and helpless at birth
Sexual maturity
6-8 months
Gestation / incubation
20-24 days
Litter / clutch size
3 to 15 young per litter (most commonly 5-8), up to 2-3 litters per year

Sources consulted: Animal Diversity Web; World Species; Wildlife Trusts; Wildlife Online; Somerset Mammal Group; Wikipedia; Animalia.bio; SureScreen Scientifics

Where to find it

Best time: All year round in clean-water streams and along their banks; it is glimpsed diving, surrounded by the air bubbles trapped in its fur.

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Where to see it

Parks and dive sites where this species has been documented — showing 10 of 196.

Related species

Other species in the catalogue with the most in common with Eurasian Water Shrew — same habitat, park, country, tags or family.

Same taxonomic family
Same taxonomic family
Same taxonomic family
Shares a park
Shares a park
Shares a park

Keep exploring

Based on what we already know about eurasian water shrew.

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See full glossary
This page in other languages: Español · Deutsch · Français · Português · Italiano

The pins mark the parks where its presence is documented.

See its range on the interactive map→
SarekSweden
PadjelantaSweden
JotunheimenNorway
HardangerviddaNorway
Pallas-YllastunturiFinland
Urho KekkonenFinland
Swiss National ParkSwitzerland
Gran ParadisoItaly
VanoiseFrance
Hohe TauernAustria
See all 196 parks
Pygmy White-toothed ShrewLeast Concern

Pygmy White-toothed Shrew

Suncus etruscus

Least Concern

Eurasian Common Shrew

Sorex araneus

Least Concern

Greater White-toothed Shrew

Crocidura russula

PolecatLeast Concern

Polecat

Mustela putorius

American MinkLeast Concern

American Mink

Neovison vison

Eurasian BeaverLeast Concern

Eurasian Beaver

Castor fiber

CountriesPoland
ParksSarekSweden
TagsPiscivore
Piscivore
Nocturnal
Solitary
Freshwater
Mammal

Europe40

Asia6

Poland
Spain
Finland
Norway
Sweden
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