Wavy Turban
Wavy Turban
megastraea undosa
The Wavy Turban (Megastraea undosa) is a large, marine gastropod mollusk known for its heavy, beautifully sculpted shell. Found gliding slowly along the rocky subtidal reefs and kelp forests of the eastern Pacific, this snail plays a key role in its ecosystem by grazing on giant kelp and other algae. Its scientific name, undosa, translates to 'wavy,' highlighting the distinctive undulating ridges that decorate its robust shell.
生息地: Found in shallow rocky reefs and kelp forests along the coast, spanning from the low intertidal zone down to depths of about 30 meters.
外見
The Wavy Turban features a thick, conical shell that typically grows between 8 and 15 centimeters in diameter. Its exterior is marked by prominent, wavy spiral cords and is naturally a dull reddish-brown to gray, though it is frequently overgrown with pink coralline algae, bryozoans, and other marine life. A key identifier is its heavy, white calcareous operculum (trapdoor) which has several distinct, curved ridges. When flipped over, the shell's interior reveals a beautiful, iridescent pearly nacre.
界Animalia門Mollusca綱Gastropoda目Trochida科Turbinidae属Megastraea
カテゴリ
Invertebrate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 host so many epiphytic organisms on their shells, a single Wavy Turban can carry its own miniature ecosystem of bryozoans, sponges, and small anemones.
The beautiful inner nacre (mother-of-pearl) of their shell has been used historically by Native American tribes, like the Chumash, for creating fishhooks, ornaments, and currency.
Their heavy, calcified trapdoor (operculum) is often referred to by beachcombers as a 'cat's eye' and is highly prized for jewelry-making.
特殊能力
能力
Heavy Armor Defense
Utilizes an exceptionally thick shell paired with a heavy, calcified operculum that acts as a tight-fitting door, sealing the snail safely inside away from predators.
能力
Algal Epiphyte Camouflage
The rough texture of its shell actively encourages the growth of crustose coralline algae and small invertebrates, rendering the snail nearly invisible against rocky reef backgrounds.
能力
Radular Foraging
Possesses a specialized, file-like ribbon of teeth called a radula, which is strong enough to scrape and shred tough kelp holdfasts and stipes.
サイズと詳細
- 長さ
- 8-15 cm
- 体重
- 0.1-0.6 kg
- 寿命
- 10-30 年
食性と食事
Grazes primarily on giant kelp and various species of brown and red algae found along rocky seafloors.
主な食物
- Giant Kelp
- Bull Kelp
- Coralline Algae
- Red Algae
採餌方法
- Grazing
生態系とのつながり
host plant
Giant Kelp
Macrocystis pyrifera
The Wavy Turban grazes extensively on the holdfasts and lower fronds of this giant algae species.
eaten by
Southern Sea Otter
Enhydra lutris nereis
This marine mammal is a major predator, using rocks to crack open the snail's thick shell to access the meat.
eaten by
California Two-spot Octopus
Octopus bimaculatus
An efficient predator of rocky reefs that uses its arms and radula to drill into or pull apart the snail's operculum.
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
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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
Wavy Turbanを見分けるには？
Wavy Turban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。
Wavy Turbanの長さは何ですか？
8-15 cm
Wavy Turbanの体重は何ですか？
0.1-0.6 kg
Wavy Turbanの寿命は何ですか？
10-30 年
Wavy Turbanは何を食べますか？
Grazes primarily on giant kelp and various species of brown and red algae found along rocky seafloors.
Wavy Turbanは通常どこに生息していますか？
Found in shallow rocky reefs and kelp forests along the coast, spanning from the low intertidal zone down to depths of about 30 meters.
Wavy Turbanはどのように狩りをしますか？
Grazing
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