Red Salamander

pseudotriton ruber

The Red Salamander (Pseudotriton ruber) is a striking and charismatic amphibian native to the eastern forests of the United States. Belonging to the family Plethodontidae, this remarkable creature is entirely lungless, relying instead on its moist, highly vascularized skin and the lining of its mouth to breathe. They are typically found in or near clean, cool woodland springs, seepages, and rocky streams, where they play a vital role as mid-level predators. Their brilliant coloration serves as a warning to potential predators of their noxious skin secretions, making them a fascinating subject for wildlife enthusiasts. Despite their vibrant appearance, they are secretive animals that spend much of their lives hidden beneath logs, stones, and leaf litter. Encountering one of these vibrant salamanders is a highlight for any nature spotter, offering a glimpse into the pristine freshwater ecosystems they inhabit and depend upon.

生息地: Found near cool, clean springs, seepages, and mountain streams, often hiding beneath rocks, logs, or leaf litter in moist deciduous forests.

外見

The Red Salamander is characterized by its robust, stocky body and a short, thick tail, typically reaching lengths between 10 and 18 cm. Its most defining feature is its brilliant coral-red to reddish-orange background color, which is generously peppered with numerous irregular, small black spots along its back and sides. As these salamanders age, their vibrant red coloration gradually darkens into a deeper purplish-brown or dusky-orange. They feature bright yellow or golden irises and lack the distinct nasolabial groove markings found in some look-alike species, helping to distinguish them from the closely related Mud Salamander.

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

Red 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

As Red Salamanders age, their vibrant red color darkens, eventually turning a deep purplish-brown.

Despite their highly aquatic larval stage, adults can wander far into upland forest habitats during wet weather.

They participate in a mimicry complex with the highly toxic red eft stage of the Eastern Newt to deter predators.

特殊能力

Lacking lungs completely, they absorb oxygen and release carbon dioxide entirely through their moist, specialized skin and mouth lining.

They possess a highly specialized, free-ended tongue that can be rapidly launched out of the mouth to capture prey in milliseconds.

Their skin glands secrete noxious, foul-tasting chemicals that protect them from avian and mammalian predators.

サイズと詳細

長さ: 10+ cm
体重: 0.007+ kg
寿命: 10+ 年
一度の産卵数: 50+
抱卵期間: 60+ 日

食性と食事

An opportunistic forest-floor predator that consumes a wide variety of small invertebrates and occasionally smaller amphibians.

年齢による違い: Aquatic larvae feed primarily on tiny aquatic invertebrates like copepods and midge larvae, while terrestrial adults consume larger insects, earthworms, and small amphibians.