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.

生息地: 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.

外見

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.

界Animalia門Chordata綱Actinopterygii目Cypriniformes科Leuciscidae属Notropis

Silver Shiner

カテゴリ

魚類

レア度

Common

危険度

1/5 · 非常に低い

スナップ

最初にスナップしよう！

おもしろい事実

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.

特殊能力

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.

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.

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.

サイズと詳細

長さ: 9-15 cm
体重: 0.01-0.03 kg
寿命: 3-5 年
Top Speed: 15 km/h
一度の産卵数: 500-5000
抱卵期間: 3-7 日

食性と食事

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.

年齢による違い: Younger shiners consume smaller invertebrates and plant matter, gradually shifting to a wider array of aquatic insects and crustaceans as they grow larger.

主な食物

Mayfly larvae
Caddisfly larvae
Midges
Small crustaceans
Diatoms
Terrestrial insects

採餌方法

Foraging

生態系とのつながり

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.

特徴

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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

Silver Shinerを見分けるには？

Silver Shiner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。

Silver Shinerの長さは何ですか？

9-15 cm

Silver Shinerの体重は何ですか？

0.01-0.03 kg

Silver Shinerの寿命は何ですか？

3-5 年

Silver Shinerのtop Speedは何ですか？

15 km/h

Silver Shinerは何を食べますか？

Silver Shinerは通常どこに生息していますか？

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.

Silver Shinerはどのように狩りをしますか？

Foraging