探検両生類

Wehrle'S Salamander

plethodon wehrlei

Wehrle's Salamander (Plethodon wehrlei) is a fascinating lungless salamander native to the forested slopes of the Appalachian Plateau in eastern North America. Lacking lungs entirely, this amphibian breathes through its moist skin and the lining of its mouth, which makes it highly dependent on cool, damp forest environments. They are typically found under rocks, rotting logs, or deep within damp crevices, and are known to occasionally inhabit the twilight zones of caves. During the night, especially after rain, Wehrle's Salamanders emerge to forage across the forest floor. They display a highly secretive lifestyle, spending much of the drier and colder months underground in deep soil fissures. Their evolutionary adaptation to a completely terrestrial lifecycle—bypassing the aquatic larval stage entirely—highlights their unique success in temperate deciduous forests.

生息地: Found in mature, moist deciduous and mixed forests, typically sheltering beneath rotting logs, rocks, or inside rocky crevices and cave entrances on steep hillsides.

外見

This medium-to-large woodland salamander typically measures between 10 to 17 centimeters in total length. It features a slender body with a long, rounded tail and a dark brown to bluish-black base coloration. A hallmark characteristic is the presence of scattered, irregular white or light-yellow spots or blotches along its sides, which sometimes extend onto the back. The throat and chest are generally a light gray or white, while the belly is a solid dark gray, helping to distinguish it from similar-looking species.

AnimaliaChordataAmphibiaCaudataPlethodontidaePlethodon
Wehrle'S Salamander
Wehrle'S Salamander

カテゴリ

両生類

レア度

Common

危険度

1/5 · 非常に低い

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おもしろい事実

Because they breathe entirely through their skin, they must remain in damp environments; dry air is quickly fatal to them.

They exhibit direct development, meaning mothers lay their eggs on land, and tiny, fully-formed salamanders hatch out, skipping the aquatic tadpole stage entirely.

Wehrle's Salamander is named after R.W. Wehrle, who first collected the species in Indiana, Pennsylvania, in 1911.

特殊能力

能力

Cutaneous Respiration

Lacking lungs, this species absorbs oxygen directly through its highly vascularized moist skin and mouth lining.

能力

Tail Autotomy

In response to predators, it can cleanly shed its tail, which continues to wiggle and distract the threat while the salamander escapes.

能力

Direct Development

Its eggs are laid in moist terrestrial cavities and hatch directly into miniature adults, completely bypassing the aquatic tadpole stage.

サイズと詳細

長さ
10-17 cm
体重
0.003-0.01 kg
寿命
10-15 年
一度の産卵数
8-22
抱卵期間
60-90 日

食性と食事

It primarily feeds on a wide variety of small terrestrial invertebrates found in leaf litter and rotting wood, foraging actively at night.

年齢による違い: Juveniles consume smaller soil micro-arthropods like mites and springtails, transitioning to larger insects and earthworms as they grow.

主な食物

  • Ants
  • Beetles
  • Spiders
  • Centipedes
  • Mites
  • Earthworms

採餌方法

  • Foraging

生態系とのつながり

eaten by

Ring-necked Snake

Diadophis punctatus

This small woodland snake is a common predator of Wehrle's Salamander.

competitor

Eastern Red-backed Salamander

Plethodon cinereus

Competes directly for territory, nesting sites, and small invertebrate prey in shared forest floor habitats.

hunts

Forest Ground Beetle

Carabus sylvosus

A forest floor beetle that is actively hunted and consumed by Wehrle's Salamander.

特徴

このオブジェクトにはまだ特徴バッジが割り当てられていません。

別名

まだ別名はありません。

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安全性

危険度

1/5 · 非常に低い

まだ特別な安全上の注意はありません。

よくある質問

Wehrle'S Salamanderを見分けるには?

Wehrle'S Salamanderを識別する最も簡単な方法は、Snappit自然識別アプリを使用することです。

Wehrle'S Salamanderの長さは何ですか?

10-17 cm

Wehrle'S Salamanderの体重は何ですか?

0.003-0.01 kg

Wehrle'S Salamanderの寿命は何ですか?

10-15 年

Wehrle'S Salamanderは何を食べますか?

It primarily feeds on a wide variety of small terrestrial invertebrates found in leaf litter and rotting wood, foraging actively at night.

Wehrle'S Salamanderは通常どこに生息していますか?

Found in mature, moist deciduous and mixed forests, typically sheltering beneath rotting logs, rocks, or inside rocky crevices and cave entrances on steep hillsides.

Wehrle'S Salamanderはどのように狩りをしますか?

Foraging

Wehrle'S Salamanderの一度の産卵数は何ですか?

8-22

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