Northern Moonsnail
Northern Moonsnail
euspira heros
The Northern Moonsnail (Euspira heros) is a remarkably large marine gastropod renowned for its active predatory behavior and impressive size. Dwelling beneath the sandy sediments of the western Atlantic, this snail is famous for its immense, muscular foot which it inflates with seawater to plow through sand in search of prey. It is an essential component of coastal marine food webs, keeping bivalve populations in check.
生息地: Found in sandy intertidal and subtidal zones of coastal waters, often burying itself just beneath the surface of the sand.
外見
This species possesses a large, smooth, globular shell that can reach up to 14 centimeters in diameter. The shell is typically creamy white, pale grey, or light brownish-grey with a highly expanded body whorl and a short spire. When active, the snail extends a massive, fleshy, translucent-grey foot that can almost completely envelop its shell. It has a tough, leathery, horn-like operculum (trapdoor) used to seal itself safely inside.
界Animalia門Mollusca綱Gastropoda目Littorinimorpha科Naticidae属Euspira
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
The distinctive 'sand collars' found on sandy beaches are actually the egg masses of the Northern Moonsnail, structured out of sand grains glued together with mucus.
To eat a clam, the moonsnail can spend up to several days drilling a single, highly precise hole through the victim's shell.
When threatened, it can squeeze all the water out of its massive foot, shrinking it entirely inside its shell before sealing the opening with its hard trapdoor.
特殊能力
能力
Acid Boring
Utilizes a specialized accessory boring organ to secrete acid, softening a prey's shell before drilling a perfect circular hole using its radula.
能力
Hydro-Expansion Foot
Draws seawater into its massive muscular foot, expanding it to several times the shell's volume to glide over sand and smother prey.
能力
Sand Collar Engineering
Creates a unique, collar-shaped egg mass by cementing thousands of eggs between layers of sand and mucus, which hardens into a protective, flexible ring.
サイズと詳細
- 長さ
- 5-14 cm
- 体重
- 0.1-0.6 kg
- 寿命
- 5-15 年
- 一度の産卵数
- 10000+
- 抱卵期間
- 30-50 日
食性と食事
A specialized predator that hunts buried bivalves, drilling through their shells to consume the soft inner tissues.
主な食物
- Soft-shell Clam
- Atlantic Surfclam
- Blue Mussel
- Quahog Clam
採餌方法
- Foraging Ambush Under Sand Grip And Drill Shell By Acid And Radula Scraping
生態系とのつながり
hunts
Soft-shell Clam
Mya arenaria
The Northern Moonsnail actively preys on this buried bivalve, drilling through its shell.
eaten by
Herring Gull
Larus argentatus
Plucks moonsnails from the sand at low tide and drops them from high altitudes onto hard surfaces to crack open their shells.
mutualism
Acadia Hermit Crab
Pagurus acadianus
Frequently colonizes empty, discarded moonsnail shells for protection and shelter.
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
Northern Moonsnailを見分けるには？
Northern Moonsnail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。
Northern Moonsnailの長さは何ですか？
5-14 cm
Northern Moonsnailの体重は何ですか？
0.1-0.6 kg
Northern Moonsnailの寿命は何ですか？
5-15 年
Northern Moonsnailは何を食べますか？
A specialized predator that hunts buried bivalves, drilling through their shells to consume the soft inner tissues.
Northern Moonsnailは通常どこに生息していますか？
Found in sandy intertidal and subtidal zones of coastal waters, often burying itself just beneath the surface of the sand.
Northern Moonsnailはどのように狩りをしますか？
Foraging Ambush Under Sand Grip And Drill Shell By Acid And Radula Scraping
Northern Moonsnailの一度の産卵数は何ですか？
10000+
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