AnimalvsAnimal
Adult hellbender in the wild in New York. (5161452281)🦎

Photo: U. S. Fish and Wildlife Service - Northeast Re… · Public domain

SpeciesCaudataCryptobranchidae
Amphibians

🦎Hellbender

Cryptobranchus alleganiensis (Sonnini de Manoncourt & Latreille, 1801)

ヘルベンダー（Cryptobranchus alleganiensis）は、両生綱有尾目オオサンショウウオ科ヘルベンダー属に分類される有尾類。本種のみでヘルベンダー属を構成する。和名はアメリカオオサンショウウオ。

Text: Wikipedia, CC BY-SA 4.0.

Videos
4
Photos
2
Measurements
7
vs you
≈ 1/170th of your weight
Conservation status
VUVulnerable

IUCN Red List assessment, 2022.

Population trendDecreasing
Key measurements
Body mass
0.36 kg
Body length
0.74 m
Shoulder height
not recorded
Top speed
not recorded
Bite force
not recorded
Maximum lifespan
29 years
All measurements ↓
Facts and figures

Everything we know about the Hellbender

Typical adult figures. Where a value is an estimate rather than a measurement, it says so.

Body mass
0.36 kg
AnAge
Other figures ↓

data quality: acceptable

Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0

Figures vary

  • 0.36 kgAmphiBIOv1 (Oliveira et al. 2017)
Body length
0.74 m
AmphiBIO
Details ↓

Source: AmphiBIO · v1 (Oliveira et al. 2017) · CC BY 4.0

Maximum lifespan
29 yearsrecord 30 years · AmphiBIO
AnAge
Details ↓

data quality: acceptable

Record: largest individual on record

Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0

Gestation
72 days
AnAge
Details ↓

data quality: acceptable

Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0

Litter size
about 275
AnAge
Details ↓

data quality: acceptable

Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0

Diet
arthropods, vertebrates
AmphiBIO
Details ↓

Source: AmphiBIO · v1 (Oliveira et al. 2017) · CC BY 4.0

Volume l
0.4 Laverage
Details ↓

Body mass at ~1.0 kg/L, the density of vertebrate tissue.

average = a mean across sexes or species in a group.

Not recorded for Hellbender yet: shoulder height, top speed, bite force.

Where it sits

Family tree

  1. kingdomAnimalia
  2. ›phylumChordata
  3. ›classAmphibia
  4. ›orderCaudata
  5. ›familyCryptobranchidae
  6. ›genusCryptobranchus
  7. ›speciesCryptobranchus alleganiensis
Full lineage
  1. classAmphibians · Amphibia
  2. orderSalamanders & newts · Caudata
  3. familyCryptobranchidae
  4. genusCryptobranchus
All 13 branches ↓
  1. kingdomMetazoa
  2. phylumChordata
  3. subphylumCraniata
  4. subphylumVertebrata
  5. superclassGnathostomata
  6. superclassSarcopterygii
  7. superclassTetrapoda
  8. classAmphibians · Amphibia
  9. superorderBatrachia
  10. orderSalamanders & newts · Caudata
  11. superfamilyCryptobranchoidea
  12. familyCryptobranchidae
  13. genusCryptobranchus
More

More about the Hellbender

In other languages
mocsári ördög (hu), salamandra gegant americana (ca), velemlok americký (cs), Schlammteufel (de), Cryptobranchus alleganiensis (es), سمندر آبی (fa) … and 19 more languages
More photos
Adult hellbender in the wild in New York. (5161452281)Hellbender
All 2 photos in the gallery →

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