Bay Nettle
探検Animal
Bay Nettle
chrysaora chesapeakei
The Bay Nettle (Chrysaora chesapeakei) is an abundant and ecologically vital species of sea nettle native to the brackish waters of the East Coast of the United States. Famously associated with the Chesapeake Bay, this species was scientifically distinguished from its open-ocean cousin, the Atlantic Sea Nettle, in 2017. As key predators in estuarine ecosystems, they play a crucial role in controlling populations of comb jellies and other zooplankton, which helps protect oyster and fish larvae. Though their venomous sting can be painful to swimmers, these translucent drifters are a fascinating example of estuarine adaptation, thriving in lower-salinity environments where other jellyfish cannot survive.
生息地: Typically found in brackish estuaries, shallow coastal bays, and river mouths along the Atlantic coast of North America.
外見
The Bay Nettle features a translucent, saucer-shaped bell that typically ranges from 10 to 20 centimeters in diameter, often marked with distinctive reddish-brown stripes radiating outward from the center like wheel spokes. Extending from the edge of the bell are up to 40 thin, stinging tentacles, accompanied by four long, ribbon-like oral arms that gracefully dangle from the center of the underside. Its coloration ranges from milky white to a delicate pinkish-yellow, making it highly visible as it pulses near the water's surface.
界Animalia門Cnidaria綱Scyphozoa目Semaeostomeae科Pelagiidae属Chrysaora
カテゴリ
Animal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
By feeding on comb jellies that eat oyster larvae, Bay Nettles indirectly help protect and boost the populations of local oysters.
Their bodies are composed of roughly 95% water and they survive without a brain, heart, or bones, relying entirely on a basic nerve net.
Until a DNA sequencing study in 2017, the Bay Nettle was considered the exact same species as the larger, open-ocean Atlantic Sea Nettle.
特殊能力
能力
Nematocyst Battery
Deploys specialized stinging cells along its tentacles that mechanically trigger on contact to inject paralyzing venom into prey.
能力
Salinity Tolerance
Possesses a highly specialized osmoregulatory system allowing it to thrive in low-salinity estuarine environments.
能力
Tissue Regeneration
Capable of rapidly healing and growing back damaged bell tissue and severed tentacles lost to predators or rough wave action.
サイズと詳細
- 長さ
- 5-25 cm
- 体重
- 0.05-0.4 kg
- 寿命
- 最大 1 年
- Top Speed
- 1 km/h
- 一度の産卵数
- 5000-50000
食性と食事
Mainly feeds on soft-bodied zooplankton, larval fish, and other gelatinous creatures drifted into its path.
年齢による違い: As microscopic polyps, they consume tiny ciliates and rotifers, whereas the adult medusa stage captures much larger prey like comb jellies and small fish.
主な食物
- Comb jellies
- Copepods
- Fish larvae
- Bay anchovy eggs
採餌方法
- Ambush
生態系とのつながり
hunts
Sea Walnut
Mnemiopsis leidyi
Preys heavily upon this abundant comb jelly, preventing it from consuming too many oysters and fish larvae.
eaten by
Leatherback Sea Turtle
Dermochelys coriacea
This large marine reptile is immune to jellyfish stings and actively preys on adult Bay Nettles.
mutualism
Harvestfish
Peprilus paru
Juveniles of this fish species live commensally among the stinging tentacles of the sea nettle for protection from larger predators.
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
Bay Nettleを見分けるには？
Bay Nettle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。
Bay Nettleの長さは何ですか？
5-25 cm
Bay Nettleの体重は何ですか？
0.05-0.4 kg
Bay Nettleの寿命は何ですか？
最大 1 年
Bay Nettleのtop Speedは何ですか？
1 km/h
Bay Nettleは何を食べますか？
Mainly feeds on soft-bodied zooplankton, larval fish, and other gelatinous creatures drifted into its path.
Bay Nettleは通常どこに生息していますか？
Typically found in brackish estuaries, shallow coastal bays, and river mouths along the Atlantic coast of North America.
Bay Nettleはどのように狩りをしますか？
Ambush
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