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Mexican beaded lizard

Heloderma horridum

Gbasara aha ya: The genus name Heloderma means "studded skin" in Ancient Greek, and the species name horridum is Latin for "rough" or "rude".1

Ọ chọrọ dọkịtaỌ naghị egbukarị egbu, mana ịta ya chọrọ dọkịta.

Ngwere na-agba nsị

ỊtaNri ya: Anụ

Ihe ize ndụ nye mmadụ: Ọ dị njọỊta ya chọrọ dọkịta. Ọnwụ anaghị adịkarị ma ọlị.

The Mexican beaded lizard is a venomous lizard found mainly in Mexico and southern Guatemala. It is one of only a few lizards known to have evolved a true venom delivery system. Its venom is also being studied for possible medicines.1

Ebe obibi

Mexico, from Sonora to Oaxaca, and parts of southern Guatemala (the Pacific and Atlantic drainages).1

Ugwu Amerika

Ụlọ

It lives mainly in deserts, tropical deciduous forests and thorn scrub, and also in pine-oak forests, from sea level up to 1,500 m. In the wild it is active only from April to mid-November, spending about an hour a day above ground.1

Ogologo

57 cm ruo 91 cm (1.9 ft ruo 3 ft)1

Arọ

4 kg (8.8 lb)1

Ọsọ kacha elu

ihe dị ka 2.5 km/h (1.6 mph)

N'elu ala, nchepụta

Gịnị ka ọ na-eri?

It is a specialised nest predator that feeds mainly on bird and reptile eggs. It climbs deciduous trees to search for prey and sometimes eats small birds, mammals, frogs, lizards and insects.1

Foto Mexican beaded lizard — Mexican beaded lizard. Foto: Francisco Farriols Sarabia. CC BY 4.0, iNaturalist.

Otú ị ga-esi mata ya

Black with yellowish spots or bands.1
Small, beadlike scales that do not overlap, which give it its name.1
Stocky body with a broad head.1
Short tail that stores fat, and does not regrow if broken.1
Adults are 57 to 91 cm long.1

A na-agwakọkarị ya na: The Gila monster is its closest relative and looks similar. The Mexican beaded lizard is larger, and its colours are duller, black with yellowish bands.1

Ike nsị

Ịta

Nsị na-esi n'eze nsị ya ma ọ bụ eze ya apụta mgbe ọ na-ata.

Gịnị ka nsị ọ na-agba na-eme?

Its venom is a weak hemotoxin, meaning it attacks blood and tissue. It can cause respiratory failure, which is when breathing fails. In humans, bites cause severe pain that can spread well beyond the bite and last up to 24 hours, along with swelling, weakness, sweating and a rapid drop in blood pressure.1

Kedu otú o si dị egwu nye mmadụ?

Ihe ize ndụ nye mmadụ: Ọ dị njọỊta ya chọrọ dọkịta. Ọnwụ anaghị adịkarị ma ọlị.

Human deaths from its bites are rare. Eight human bites were documented in the past century, and almost all happened when people prodded captive lizards with a finger or bare foot.1

Ọ bụrụ na ọ tara

Saa ọnya ahụ, mee ka onye ahụ dị jụụ, chọọkwa enyemaka ọgwụ.

Na-ebu ụzọ kpọọ nọmba mberede gị mgbe niile (112, 000, 911). Nke a bụ ndụmọdụ enyemaka mbụ n'ozuzu, ọ bụghị ndụmọdụ ọgwụ. Isi ihe enyemaka mbụ

Nọrọ na nchekwa

Emetụla anụ ọhịa aka, ejidela ya, emekwala ya ihe ọjọọ, ọbụna obere, ọbụna ma ọ dị ka ọ na-ehi ụra ma ọ bụ nwụọ anwụ.
Nye ya ohere. Ọ bụrụ na ị zutere otu, dị jụụ, laghachi azụ nwayọ, hapụ ya ka ọ gaa ụzọ ya.
Ọ bụrụ na otu tara gị: dị jụụ, emegharịla ahụ, kpọọ nọmba mberede gị (112, 000, 911) ma ọ bụ gaa ụlọ ọgwụ ngwa ngwa. Cheta ka o si dị, foto na-enye aka.

Ọ naghị achụ gị. Ọ na-eji nsị ya ejide nri ma ọ bụ chebe onwe ya, ọ ga-akakwa mma n'anya ya ịzo onwe ya. Ihe ndị ọzọ gbasara ịnọ na nchekwa

Ebee n'ụwa?

Afrịka Eshia Yurop Ugwu Amerika Ndịda Amerika Ọstrelia na Oshenia

Ọ hà aṅaa?

Kedu otú o si dị ogologo?

Kedu otú o si dị arọ?

dị arọ dị ka nwamba ụlọ 1

dị ogologo dị ka nwamba ụlọ 2 site n'imi ruo n'ọdụdị ogologo dị ka unere 5 a tọgbọrọ n'ahịrịọ dị arọ ihe dị ka nwamba ụlọnwere ike ịgba ọsọ mita 100 n'ime sekọnd 140 (mmadụ kacha ọsọ chọrọ 9,6)

Kedu otú Mexican beaded lizard si hà ma e jiri ya tụnyere GỊ?

Naanị mgbakọ na mwepụ n'ime browser gị. Ọ dịghị ihe echekwara ma ọ bụ ezigara ebe ọ bụla.

Kedu otú o si agba ọsọ?

Mbe ihe dị ka 0.3 km/h (0.19 mph)

Mexican beaded lizard ihe dị ka 2.5 km/h (1.6 mph)

Mmadụ na-aga ije ihe dị ka 5 km/h (3.1 mph)

ọ dị mma ịmara

Eziokwu

It is one of only two venomous beaded lizard species, and the only lizards known to have evolved an overt venom delivery system, along with the rest of its genus.1

Some compounds in its venom are being studied for possible treatments of diabetes, Alzheimer's disease and HIV. One of them, exendin-3, is the basis of the drug exenatide.1

The beaded lizard is immune to the effects of its own venom.1

It is larger than the Gila monster, with an average adult weight of 800 g, and large specimens exceed 2,000 g.1

Beaded lizards have forked pink tongues that they use to smell, with the help of a Jacobson's organ.1

Young beaded lizards are rarely seen, as they are believed to spend much of their early lives underground.1

Onye na-ekpughe akụkọ ụgha

Akụkọ ụgha: The beaded lizard is more venomous than a rattlesnake, can cause lightning strikes with its tail, or can make a pregnant woman miscarry by looking at her.

Eziokwu: These beliefs are incorrect. Its venom is weak, and human deaths are rare.1

Maka ndị ọkachamara nsị

Aha sayensị: Heloderma horridum
Otu: Ngwere na-agba nsị
Ezinụlọ: Helodermatidae2
Usoro: Squamata
Kọntinent dị iche iche: Ugwu Amerika
Ụmụ ọhụrụ: It lays clutches of 2 to 30 eggs in late summer or early fall, and the eggs hatch the following spring or summer.1
Otú ọ na-eme n'ọhịa: Threatened (Mexican law, category A). Listed on Appendix II of CITES.1
Ihe ize ndụ nye mmadụ: 3 / 5: Ọ dị njọ3

Ebe eziokwu ndị a si

Mexican beaded lizard (Wikipedia (CC BY-SA 4.0))
Heloderma horridum (iNaturalist): aha na nhazi ọkwa.
Venom Wiki: ọkwa ihe ize ndụ, nha nkịtị na nchepụta ọsọ bụ nke anyị. Lee otú anyị si achọpụta ha: Otú anyị si atụ ihe ize ndụ.

Eziokwu ọ bụla dị na peeji a nwere nọmba na-egosi ebe o si. Ọ bụrụ na anyị mehiere ihe, ndo, anyị bụ ndị hụrụ anụmanụ n'anya, ọ bụghị akwụkwọ akụkọ sayensị. Gwa anyị na [email protected], anyị ga-edozi ya.

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