CreatureData

Black beaded lizard

Heloderma alvarezi Bogert & Martin Del Campo, 1956

Status not recordedlizards

The black beaded lizard (Heloderma alvarezi) is a species in the family Helodermatidae, order Squamata. Recorded adults weigh about 800.8 g and reach 34 cm in length.

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Quick facts about the black beaded lizard

Weight
800.8 g
Length
34 cm
Lifespan
Not recorded
Longest recorded lifespan
38 years
Main food
Not recorded
Habitat
Not recorded
Young per litter or clutch
Not recorded
Litters or clutches a year
1
Reproduction
Eggs
Active
Day and night (cathemeral)
Lifestyle
Terrestrial
Conservation status
Not recorded
Countries on record
Not recorded

How big is the black beaded lizard?

BLACK BEADED LIZARD · LENGTH 34 CMADULT HUMAN · HEIGHT 1.7 M
At 34 cm, the recorded maximum length of the black beaded lizard is about 20% of the height of an adult human (1.7 m, a fixed reference used for scale).

Where does the black beaded lizard live?

Not recorded

Is the black beaded lizard endangered?

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

How is the black beaded lizard classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classReptilia
  4. orderSquamata
  5. familyHelodermatidae
  6. genusHeloderma
  7. SpeciesHeloderma alvarezi Bogert & Martin Del Campo, 1956

Synonyms Heloderma horridum alvarezi

Other names and names in other languages (7)
  • Chiapan beaded lizardEnglish
  • Chiapan-KrustenechseGerman
  • Escorpion NegroSpanish
  • 恰帕斯珠毒蜥Chinese
  • Chiapas-SkorpionskrustenechseGerman
  • Schwarze SkorpionskrustenechseGerman
  • Lagarto negro de chaquiraSpanish

Catalogue of Life

Relatives of the black beaded lizard

Other species in the same genus Heloderma.

NT, Near Threatened
Gila monster (Heloderma suspectum)

Gila monster

Heloderma suspectum

Helodermatidae

CompareBlack beaded lizard vs Gila monsterBlack beaded lizard vs Mexican beaded lizardBlack beaded lizard vs Guatemala beaded lizardBlack beaded lizard vs Rio Fuerte beaded lizard

Common questions

Answered only where our data holds the answer.

How big is the black beaded lizard?

An adult black beaded lizard weighs 800.8 g and measures 34 cm long, according to values recorded on Wikidata.

What kind of animal is the black beaded lizard?

The black beaded lizard (Heloderma alvarezi) belongs to the family Helodermatidae in the order Squamata.

Sources and how to cite this page

Data as of 2026-11-11. How this page is put together.

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APA

CreatureData. (2026). Black beaded lizard (Heloderma alvarezi). Retrieved from https://creaturedata.com/animals/black-beaded-lizard

MLA

“Black beaded lizard (Heloderma alvarezi).” CreatureData, 2026, https://creaturedata.com/animals/black-beaded-lizard.

BibTeX
@misc{black_beaded_lizard_2026,
  title = {Black beaded lizard (Heloderma alvarezi)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/black-beaded-lizard},
  note = {Data as of 2026-11-11}
}