Seal Salamander

desmognathus monticola

The Seal Salamander (Desmognathus monticola) is a robust and fascinating amphibian native to the Appalachian Mountains. Known for its streamlined body adapted to life in swift-moving streams, this species plays a vital role as both predator and prey in its cool, aquatic habitats. Its mottled coloration provides excellent camouflage against stream substrates, allowing it to ambuscade unsuspecting invertebrates. These salamanders are often encountered by turning over rocks and logs in their preferred habitats, offering a glimpse into the diverse ecology of mountain streams.

生息地: Found in cool, clear, rocky mountain streams, their adjacent seepage areas, and moist, well-wooded riparian zones.

外見

The Seal Salamander is a medium-sized, stocky salamander, typically ranging from 7 to 13 cm in total length. Its dorsal coloration is usually dark brown to black, often adorned with mottled gray or reddish-brown markings that can form an indistinct, net-like pattern. The ventral surface is generally lighter, a uniform grayish tone. A key identification feature is its laterally compressed tail, which is distinctly keeled towards the tip, aiding in propulsion through water. It possesses a somewhat flattened head and a robust build.

界Animalia門Chordata綱Amphibia目Caudata科Plethodontidae属Desmognathus

Seal Salamander

カテゴリ

両生類

レア度

Common

危険度

1/5 · 非常に低い

スナップ

最初にスナップしよう！

おもしろい事実

Female Seal Salamanders exhibit parental care by coiling around their clutch of eggs until they hatch, protecting them from predators and desiccation.

The 'Seal' in their name may derive from their sleek, robust appearance in water, or perhaps their somewhat dog-like snout.

They possess prominent nasolabial grooves, tiny channels running from their nostrils to their upper lip, which are crucial for enhancing their sense of smell underwater and on land.

Unlike many amphibians, they undergo direct development, meaning the eggs hatch into miniature versions of the adult, skipping a free-living larval stage in the traditional sense, though some aquatic larval traits persist briefly.

特殊能力

Like all plethodontid salamanders, the Seal Salamander is lungless, absorbing all necessary oxygen through its moist skin and the lining of its mouth and throat. This adaptation is highly effective in the well-oxygenated waters it inhabits.

Its robust, muscular body and laterally compressed, keeled tail are perfectly adapted for navigating strong currents in mountain streams. This body shape allows it to move efficiently both in and out of fast-flowing water.

The mottled dark brown and gray patterns on its dorsal side provide excellent camouflage against the wet rocks, gravel, and leaf litter found on stream beds, helping it avoid detection by predators and ambush prey effectively.

サイズと詳細

長さ: 7-13 cm
体重: 0.003-0.01 kg
寿命: 5-10 年
一度の産卵数: 10-30
抱卵期間: 45-70 日

食性と食事

Seal Salamanders are opportunistic predators, feeding primarily on a variety of small invertebrates found within and along the edges of their aquatic habitats.

年齢による違い: Larval salamanders consume smaller aquatic invertebrates. As they mature, adults incorporate a wider range of both aquatic and terrestrial prey into their diet.

主な食物

Aquatic insect larvae
Terrestrial insects
Small worms
Spiders
Springtails

採餌方法

Ambush/foraging

生態系とのつながり

eaten by

Eastern Garter Snake

Thamnophis sirtalis

Snakes prey on salamanders found near water.

eaten by

Raccoon

Procyon lotor

Raccoons forage for salamanders in and around streams.

hunts

Cranefly Larvae

Tipulidae spp.

Salamanders consume various insect larvae as part of their diet.

hunts

Terrestrial Isopods

Oniscidea spp.

Salamanders feed on small invertebrates like isopods found in moist litter.

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。

コレクション

テーマが追加されると、このオブジェクトのコレクションがここに表示されます。

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

Seal Salamanderを見分けるには？

Seal 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。

Seal Salamanderの長さは何ですか？

7-13 cm

Seal Salamanderの体重は何ですか？

0.003-0.01 kg

Seal Salamanderの寿命は何ですか？

5-10 年

Seal Salamanderは何を食べますか？

Seal Salamanders are opportunistic predators, feeding primarily on a variety of small invertebrates found within and along the edges of their aquatic habitats.

Seal Salamanderは通常どこに生息していますか？

Found in cool, clear, rocky mountain streams, their adjacent seepage areas, and moist, well-wooded riparian zones.

Seal Salamanderはどのように狩りをしますか？

Ambush/foraging

Seal Salamanderの一度の産卵数は何ですか？

10-30