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  3. Japanese Black Salamander

One of the 14 salamanders on WAnimals

Amphibians · Caudata · Hynobiidae

Japanese Black Salamander

Hynobius nigrescens

Near Threatened

It could become threatened in the near future if current threats go unchecked.

Spotted something wrong?

The Japanese black salamander is a hynobiid endemic to Japan, characteristic of the heavy-snow regions of Honshu. It breeds as soon as the thaw begins, sometimes in pools still partly frozen, and lays its eggs in two spiral-shaped gelatinous sacs that it attaches to submerged branches.

Size

9 cm – 18 cm

Life expectancy

15 years

Diet

Insectivore

Feeds mainly on insects and other invertebrates.

Activity

Nocturnal

Active mainly at night.

Social structure

Solitary

Lives and hunts alone, joining others only to breed.

Temperate forestMountainFreshwater
1countries17parks1same family

Fun facts

  • It breeds on the ice: it emerges as soon as the thaw begins and lays its eggs in pools that still carry sheets of ice, making use of the first days of open water in spring.
  • Its clutches are two spiral-shaped gelatinous sacs, almost transparent, which the female attaches to submerged branches and which the male fertilises from outside.
  • The hynobiids are a salamander family found almost only in eastern Asia, with dozens of Japanese species of very restricted range, several of them described in the last decade.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (amphibian)
Habitat and environment
Damp montane forest and heavy-snow areas of central and northern Honshu, in Japan
Sexual maturity
3 years
Gestation / incubation
Larval development in meltwater pools and streams
Litter / clutch size
100 eggs

Sources consulted: IUCN Red List · Animal Diversity Web · Wikipedia (es)

Where to find it

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The pins mark the parks where its presence is documented.

Where to see it

Parks and dive sites where this species has been documented — showing 10 of 17.

Related species

Other species in the catalogue with the most in common with Japanese Black Salamander — same habitat, park, country, tags or family.

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Keep exploring

Based on what we already know about japanese black salamander.

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See full glossary
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See its range on the interactive map→
Fuji-Hakone-IzuJapan
YakushimaJapan
DaisetsuzanJapan
NikkoJapan
Aso-KujuJapan
Bandai-AsahiJapan
Chichibu-Tama-KaiJapan
Chubu-SangakuJapan
HakusanJapan
Ise-ShimaJapan
See all 17 parks
Near Threatened

Japanese Fire-bellied Newt

Cynops pyrrhogaster

Siberian SalamanderLeast Concern

Siberian Salamander

Salamandrella keyserlingii

Least Concern

American Bullfrog

Lithobates catesbeianus

Vulnerable

Japanese Giant Salamander

Andrias japonicus

Asiatic Black BearVulnerable

Asiatic Black Bear

Ursus thibetanus

Japanese RobinLeast Concern

Japanese Robin

Larvivora akahige

CountriesJapan
ParksFuji-Hakone-IzuJapan
TagsInsectivore
Insectivore
Nocturnal
Solitary
Near Threatened
Amphibian
Temperate forest
Mountain
Freshwater
Japan