Rounded Snail

gonyodiscus rotundatus

The Rounded Snail (Gonyodiscus rotundatus) is a small, fascinating terrestrial gastropod widely distributed across Europe and introduced to parts of North America. Often overlooked due to its tiny size, this miniature mollusk is a marvel of intricate geometry, featuring a tightly coiled, disc-shaped shell with prominent ribs and beautifully pattern-marked whorls. It thrives in damp, shaded environments such as woodlands, gardens, and decaying log piles, where it plays a critical role in the decomposition cycle. By feeding on detritus, fungi, and decaying plants, the Rounded Snail helps recycle organic nutrients back into the soil, keeping its micro-ecosystem healthy. Despite its slow pace, it is highly adaptable and resilient, making it a common find for observant nature enthusiasts looking closely at the forest floor.

生息地: Typically found in moist, shaded environments such as deciduous woodlands, gardens, parks, and waste ground, often hiding under logs, stones, leaf litter, and loose bark.

外見

The Rounded Snail features a small, strongly flattened, disc-shaped shell measuring between 5 to 7 millimeters in diameter. Its shell is yellowish-brown to grayish-brown, accented by a distinctive pattern of regular, alternating reddish-brown spots or streaks along the whorls. The surface of the shell is highly textured with prominent, close-set radial ribs. Beneath, it displays a very wide, deep umbilicus (the central cavity on the underside of the shell). The body of the snail is typically a dark bluish-gray to charcoal color, with two pairs of tentacles extending from its head.

界Animalia門Mollusca綱Gastropoda目Stylommatophora科Discidae属Gonyodiscus

Rounded Snail

カテゴリ

Invertebrate

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

Its scientific name, Gonyodiscus rotundatus, highlights its appearance: 'Gonyodiscus' refers to its angled, disc-like shell, and 'rotundatus' means rounded.

They possess a microscopic ribbon of teeth called a radula, which has dozens of rows of tiny teeth used to scrape food off decaying wood.

Unlike many snails that prefer climbing plants, the Rounded Snail is highly ground-dwelling and rarely ventures high up on vegetation.

特殊能力

During hot or dry periods, the snail can seal its shell opening with a temporary mucus membrane called an epiphragm to prevent dehydration.

Its textured, ribbed shell readily collects fine dirt and organic debris, helping it blend seamlessly into the soil and leaf litter to avoid predators.

This species has a high tolerance for heavy metals in its diet, allowing it to accumulate and lock away soil toxins without suffering immediate harm.

サイズと詳細

長さ: 0+ cm
体重: 0+ kg
寿命: 1+ 年
一度の産卵数: 10+
抱卵期間: 15+ 日

食性と食事

The Rounded Snail primarily feeds on decaying plant matter, fungi, and algae, acting as an essential decomposer in its ecosystem.

主な食物

Decaying leaves
Fungi
Algae
Lichens
Detritus

採餌方法

Grazing

生態系とのつながり

eaten by

Song Thrush

Turdus philomelos

Commonly preyed upon by songbirds who crack open their shells against rocks.

eaten by

Common Glow-worm

Lampyris noctiluca

Predated heavily by glow-worm larvae which inject paralyzing digestive enzymes.

competitor

Cellar Snail

Oxychilus cellarius

Competes for decaying organic matter and shelter in damp crevices.

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

Rounded Snailを見分けるには？

Rounded Snail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。

Rounded Snailの長さは何ですか？

0+ cm

Rounded Snailの体重は何ですか？

0+ kg

Rounded Snailの寿命は何ですか？

1+ 年

Rounded Snailは何を食べますか？

The Rounded Snail primarily feeds on decaying plant matter, fungi, and algae, acting as an essential decomposer in its ecosystem.

Rounded Snailは通常どこに生息していますか？

Typically found in moist, shaded environments such as deciduous woodlands, gardens, parks, and waste ground, often hiding under logs, stones, leaf litter, and loose bark.

Rounded Snailはどのように狩りをしますか？

Grazing

Rounded Snailの一度の産卵数は何ですか？

10+