Silver Shiner
EntdeckenFische
Silver Shiner
notropis photogenis
The Silver Shiner (Notropis photogenis) is a sleek, silvery minnow native to clear, flowing waters across eastern and central North America. Known for its brilliant, reflective scales, this small fish is a common sight in rivers and large streams, where it forms schools that gleam like living jewels in the sunlight. Its name, 'photogenis,' literally means 'light-born,' a fitting tribute to its striking appearance. Silver Shiners play a crucial role in their aquatic ecosystems, serving as both predators of small invertebrates and a vital food source for larger fish and piscivorous birds, highlighting their importance in the food web.
Lebensraum: The Silver Shiner thrives in clear, cool to warm, moderately flowing waters of medium to large rivers and streams, often over gravel, rubble, or bedrock substrates, and occasionally in lakes.
Aussehen
The Silver Shiner is characterized by its slender, elongated body, reaching lengths of 9-15 cm. Its most prominent feature is its intensely silvery coloration, particularly on its sides, which are highly reflective and can appear almost mirror-like in clear water. The dorsal side is typically olive-green to greenish-silver, fading to bright silver below. It possesses a distinct, often dark, lateral stripe that may fade with age, and large, prominent eyes. The fins are generally clear to slightly yellowish, with the dorsal fin positioned above the pelvic fins.
ReichAnimaliaStammChordataKlasseActinopterygiiOrdnungCypriniformesFamilieLeuciscidaeGattungNotropis
Kategorie
FischeSeltenheit
Common
Gefahr
1/5 · Sehr gering
Snaps
Mach den ersten Snap!
Interessante Fakten
Despite their small size, Silver Shiners are quite active and can navigate strong currents with impressive agility.
Silver Shiners are often used as bait fish by anglers due to their abundance and appealing flash.
The scientific name 'photogenis' is derived from Greek words meaning 'light-born' or 'shining,' perfectly describing its silvery appearance.
They are considered an indicator species for water quality; their presence often signifies relatively clean, unpolluted aquatic environments.
Besondere Fähigkeiten
Fähigkeit
Reflective Camouflage
The Silver Shiner's highly reflective scales create a shimmering effect that makes it difficult for predators to pinpoint them, especially in sunlit, flowing water. This visual confusion aids in evasion and reduces individual predation risk.
Fähigkeit
Streamlined Hydrodynamics
Its sleek, torpedo-shaped body and powerful caudal fin are perfectly adapted for life in currents. This allows the Silver Shiner to maintain position and move efficiently in fast-flowing river environments.
Fähigkeit
Vigilant Schooling
Silver Shiners aggregate in large, cohesive schools, a behavior that provides increased protection against predators. The 'many eyes' effect helps detect threats, and coordinated movements can confuse attackers.
Maße und Details
- Länge
- 9-15 cm
- Gewicht
- 0.01-0.03 kg
- Lebenserwartung
- 3-5 Jahre
- Top Speed
- 15 km/h
- Gelegegröße
- 500-5000
- Brutzeit
- 3-7 Tage
Ernährung und Fütterung
Silver Shiners are opportunistic omnivores, primarily feeding on aquatic insect larvae and small crustaceans, but also consuming terrestrial insects that fall into the water, as well as some plant material like diatoms and filamentous algae.
Altersunterschiede: Younger shiners consume smaller invertebrates and plant matter, gradually shifting to a wider array of aquatic insects and crustaceans as they grow larger.
Hauptnahrung
- Mayfly larvae
- Caddisfly larvae
- Midges
- Small crustaceans
- Diatoms
- Terrestrial insects
Nahrungssuche
- Foraging
Ökologische Zusammenhänge
eaten by
Largemouth Bass
Micropterus salmoides
A common predator that ambushes Silver Shiners.
eaten by
Great Blue Heron
Ardea herodias
A wading bird that frequently preys on small fish like the Silver Shiner.
hunts
Mayfly Larvae
Ephemeroptera species
Larvae of this insect are a primary food source for Silver Shiners.
hunts
Caddisfly Larvae
Trichoptera species
Larvae of this insect group are a significant part of the Silver Shiner's diet.
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Sicherheit
Gefahr
1/5 · Sehr gering
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Häufig gestellte Fragen
Wie identifiziert man Silver Shiner?
Der einfachste Weg, Silver Shiner zu bestimmen, ist die Verwendung der Naturführer-App Snappit.
Was ist der/die/das länge von Silver Shiner?
9-15 cm
Was ist der/die/das gewicht von Silver Shiner?
0.01-0.03 kg
Was ist der/die/das lebenserwartung von Silver Shiner?
3-5 Jahre
Was ist der/die/das top Speed von Silver Shiner?
15 km/h
Was frisst Silver Shiner?
Silver Shiners are opportunistic omnivores, primarily feeding on aquatic insect larvae and small crustaceans, but also consuming terrestrial insects that fall into the water, as well as some plant material like diatoms and filamentous algae.
Wo findet man Silver Shiner normalerweise?
The Silver Shiner thrives in clear, cool to warm, moderately flowing waters of medium to large rivers and streams, often over gravel, rubble, or bedrock substrates, and occasionally in lakes.
Wie jagt Silver Shiner?
Foraging
Snap-Karte
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