Sheepshead Minnow
探検魚類
Sheepshead Minnow
cyprinodon variegatus
The Sheepshead Minnow (Cyprinodon variegatus) is a small, highly resilient pupfish native to the salt marshes, estuaries, and coastal lagoons of the western Atlantic Ocean and the Gulf of Mexico. Renowned for its extraordinary environmental tolerance, this tiny fish can thrive in salinity levels ranging from freshwater to hypersaline conditions, and can survive extreme temperature fluctuations that would be fatal to most other fish species. They play a vital role in coastal marine food webs, acting as a crucial link by converting organic detritus and small invertebrates into energy that sustains larger fish and predatory coastal birds.
生息地: Found in shallow coastal waters, including salt marshes, mangrove swamps, estuaries, tide pools, and lagoons with muddy or sandy substrates.
外見
This species features a deep, stout, and compressed body with a distinctively arched back, giving it a somewhat oval or diamond-shaped silhouette. Breeding males display a striking metallic blue or iridescent turquoise color on their napes and backs, paired with a bright orange or yellowish abdomen and matching fins. Non-breeding adults and females are more cryptically colored, exhibiting a silvery-gray or olive-brown base with 7 to 10 dark, irregular vertical bars along their sides. They typically reach a modest length of 3 to 8 centimeters.
界Animalia門Chordata綱Actinopterygii目Cyprinodontiformes科Cyprinodontidae属Cyprinodon
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
Because of their hardiness, Sheepshead Minnows are widely used in scientific laboratories to test the safety and toxicological effects of water pollutants.
During the breeding season, male Sheepshead Minnows become incredibly territorial, aggressively defending small patches of sand or mud from any rival males that approach.
They can tolerate water with oxygen levels so low that other fish would suffocate, sometimes gulping air bubbles directly from the surface to survive.
特殊能力
能力
Extreme Salinity Tolerance
It can effortlessly transition between freshwater and hypersaline environments three times saltier than the ocean without suffering osmotic shock.
能力
Thermal Resilience
This species can survive in shallow, stagnant waters ranging from near-freezing temperatures to over 40 degrees Celsius.
能力
Substrate Burrowing
To escape wading birds or aquatic predators, it can rapidly vibrate its body to bury itself beneath mud or sand, leaving only its eyes exposed.
サイズと詳細
- 長さ
- 3-8 cm
- 体重
- 0.002-0.01 kg
- 寿命
- 1-3 年
- Top Speed
- 4 km/h
- 一度の産卵数
- 10-200
- 抱卵期間
- 4-12 日
食性と食事
They are highly opportunistic feeders that graze on organic detritus, algae, small crustaceans, and insect larvae.
主な食物
- Filamentous algae
- Detritus
- Mosquito larvae
- Copepods
- Amphipods
採餌方法
- Foraging And Grazing On Substrates And Plants For Food Particles And Microorganisms Without Active Pursuit Tactics Used By Predators For Prey Capture Methods Instead Scraping Algal Mats With Teeth And Snapping At Passing Zooplankton In The Water Column Or Muddy Sand Substrates Of Estuaries And Salt Marshes Alike As They Move About Actively During Daylight Hours Along Shallows Near Coastlines Of The Gulf And Atlantic Coasts Of North America With High Efficiency Levels Overall In All Life Stages Including Larval Stages Too Which Feed Mostly On Zooplankton And Microscopic Algal Blooms In The Same Habitats As Adults Though At Smaller Scales Of Prey Items And Particles Primarily Due To Mouth Size Limitations And Physical Capabilities Which Develop Rapidly After Hatching From Eggs Laid In Shallow Gravelly Or Sandy Nest Sites Created By Territorial Males Protecting Their Areas Fiercely From Intruders While Displaying Vibrant Breeding Colorations To Attract Receptive Females During The Warmer Months Of Spring And Summer Periods Of High Activity And Reproduction Cycles Occurring Regularly Throughout The Season In Various Coastal Regions Where Populations Are Widely Distributed And Stable Overall Without Major Threats To Their Continued Survival And Abundant Existence In Healthy Wetland Ecosystems That Provide Ample Food And Shelter From Larger Predators Of The Open Water Habitats Nearby
生態系とのつながり
eaten by
Snowy Egret
Egretta thula
The Snowy Egret hunts Sheepshead Minnows in shallow salt marshes and mudflats.
eaten by
Blue Crab
Callinectes sapidus
Blue Crabs ambush and feed on Sheepshead Minnows swimming near muddy bottoms.
competitor
Sailfin Molly
Poecilia latipinna
Competes with Sailfin Mollies for food resources like filamentous algae and small aquatic insects in shallow brackish water pools.
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
Sheepshead Minnowを見分けるには？
Sheepshead Minnow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。
Sheepshead Minnowの長さは何ですか？
3-8 cm
Sheepshead Minnowの体重は何ですか？
0.002-0.01 kg
Sheepshead Minnowの寿命は何ですか？
1-3 年
Sheepshead Minnowのtop Speedは何ですか？
4 km/h
Sheepshead Minnowは何を食べますか？
They are highly opportunistic feeders that graze on organic detritus, algae, small crustaceans, and insect larvae.
Sheepshead Minnowは通常どこに生息していますか？
Found in shallow coastal waters, including salt marshes, mangrove swamps, estuaries, tide pools, and lagoons with muddy or sandy substrates.
Sheepshead Minnowはどのように狩りをしますか？
Foraging And Grazing On Substrates And Plants For Food Particles And Microorganisms Without Active Pursuit Tactics Used By Predators For Prey Capture Methods Instead Scraping Algal Mats With Teeth And Snapping At Passing Zooplankton In The Water Column Or Muddy Sand Substrates Of Estuaries And Salt Marshes Alike As They Move About Actively During Daylight Hours Along Shallows Near Coastlines Of The Gulf And Atlantic Coasts Of North America With High Efficiency Levels Overall In All Life Stages Including Larval Stages Too Which Feed Mostly On Zooplankton And Microscopic Algal Blooms In The Same Habitats As Adults Though At Smaller Scales Of Prey Items And Particles Primarily Due To Mouth Size Limitations And Physical Capabilities Which Develop Rapidly After Hatching From Eggs Laid In Shallow Gravelly Or Sandy Nest Sites Created By Territorial Males Protecting Their Areas Fiercely From Intruders While Displaying Vibrant Breeding Colorations To Attract Receptive Females During The Warmer Months Of Spring And Summer Periods Of High Activity And Reproduction Cycles Occurring Regularly Throughout The Season In Various Coastal Regions Where Populations Are Widely Distributed And Stable Overall Without Major Threats To Their Continued Survival And Abundant Existence In Healthy Wetland Ecosystems That Provide Ample Food And Shelter From Larger Predators Of The Open Water Habitats Nearby
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