Shovelnose Sturgeon
探検魚類
Shovelnose Sturgeon
scaphirhynchus platorynchus
The Shovelnose Sturgeon has a unique flat snout that helps it dig in the riverbed for food! These fish can grow quite large and are known for their ancient lineage, dating back millions of years.
生息地: Shovelnose Sturgeons are found in the Mississippi River and its tributaries, preferring sandy or muddy river bottoms.
外見
The Shovelnose Sturgeon has a distinctive flattened, shovel-like snout and a slender body covered in bony plates called scutes, not scales. Its coloration ranges from mottled brown to gray, helping it blend into riverbeds. Four sensory barbels hang in front of its mouth, aiding in bottom foraging.
界Animalia門Chordata綱Actinopterygii目Acipenseriformes科Acipenseridae属Scaphirhynchus
カテゴリ
魚類レア度
Common
危険度
1/5 · 非常に低い
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おもしろい事実
Instead of scales, this fish has five rows of tough, bony plates covering its body!
Shovelnose Sturgeon are the smallest of all North American sturgeon species!
Their eggs are so valuable they're considered a type of black caviar!
They are often called 'living fossils' because their ancestors swam with dinosaurs!
特殊能力
能力
Armored Body
Shovelnose Sturgeon has rows of bony plates called scutes that help them protect against predators and rough river environments.
能力
River Navigator
Shovelnose Sturgeon can live in strong river currents because of its streamlined body and powerful tail that helps them swim against the flow.
能力
Flexible Skeleton
Shovelnose Sturgeon has a skeleton made mostly of cartilage, allowing them flexibility to maneuver around river obstacles.
サイズと詳細
- 長さ
- 50-80 cm
- 体重
- 0.5-2.5 kg
- 寿命
- 10-25 年
- 遊泳速度
- 20 km/h
- 最大深度
- 15 m
- 水質
- 淡水
食性と食事
These bottom-dwelling fish use their specialized mouths to vacuum up aquatic insects and crustaceans from riverbeds.
主な食物
- Mayfly larvae
- Caddisfly larvae
- Midge larvae
- Crayfish
- Small fish
採餌方法
- Foraging
生態系とのつながり
eats
Giant Mayfly
Hexagenia limbata
larvae are a primary food source
eats
Devil Crayfish
Cambarus diogenes
feeds on crustaceans from river bottom
eaten by
Channel Catfish
Ictalurus punctatus
eggs and young fish are often preyed upon
eaten by
North American River Otter
Lutra canadensis
preys on juvenile sturgeon in rivers
特徴
別名
Flathead SturgeonMississippi Sturgeon
コレクション
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
Shovelnose Sturgeonの長さは何ですか？
50-80 cm
Shovelnose Sturgeonの体重は何ですか？
0.5-2.5 kg
Shovelnose Sturgeonの寿命は何ですか？
10-25 年
Shovelnose Sturgeonは何を食べますか？
These bottom-dwelling fish use their specialized mouths to vacuum up aquatic insects and crustaceans from riverbeds.
Shovelnose Sturgeonの遊泳速度は何ですか？
20 km/h
Shovelnose Sturgeonは通常どこに生息していますか？
Shovelnose Sturgeons are found in the Mississippi River and its tributaries, preferring sandy or muddy river bottoms.
Shovelnose Sturgeonはどのように狩りをしますか？
Foraging
Shovelnose Sturgeonの最大深度は何ですか？
15 m
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