探検魚類

White Sucker

catostomus commersonii

The White Sucker is a highly resilient and adaptable freshwater fish native to a vast range of streams, rivers, and lakes across North America. Often referred to as the 'common sucker,' this species is easily recognized by its distinctive downward-facing mouth, which it uses to vacuum up nutrients from the riverbed. Although sometimes overlooked by sport fishers, the White Sucker plays an incredibly important role in freshwater ecosystems. It acts as a vital bridge in the food web, converting bottom-dwelling invertebrates and organic matter into biomass that feeds larger predatory fish like Northern Pike and Walleye, as well as avian predators like eagles and ospreys. During the spring, they undertake impressive spawning migrations into shallow, gravelly tributaries, turning streams into bustling highways of aquatic life. Their ability to tolerate high levels of turbidity and moderate pollution makes them an excellent indicator of overall environmental health. This robust species is a fascinating example of evolutionary adaptation, perfectly suited to its benthic lifestyle.

生息地: Found in clear to turbid waters of small streams, large rivers, and lakes, typically associated with gravelly, sandy, or muddy bottoms.

外見

The White Sucker features a long, cylindrical, torpedo-shaped body with a rounded snout and a highly distinctive subterminal mouth located on the underside of its head, equipped with thick, fleshy, papillose lips. Its coloration typically ranges from dark greenish-brown to brassy or almost black on the upper dorsal side, gradually fading to a lighter brassy-yellow on the flanks and a stark, clean silvery-white on the belly. Adult specimens generally measure between 30 and 50 centimeters in length and lack any sharp spines in their fins, possessing instead soft rays. During the spring spawning season, mature males develop a dark lateral stripe along their sides, a pinkish flush, and small, sand-like bumps called nuptial tubercles on their anal fin and lower tail.

AnimaliaChordataActinopterygiiCypriniformesCatostomidaeCatostomus
White Sucker
White Sucker

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 being very bony, they are historically consumed by humans and are often referred to as 'mullet' in local markets.

Their massive spring spawning runs can pack shallow creeks from bank to bank, turning the water into a shimmering mass of fish.

They act as crucial 'nutrient conveyors', moving essential nutrients from rich lake basins up into nutrient-poor headwater streams.

特殊能力

能力

Subterminal Suction Feeding

Its downward-oriented mouth acts as an efficient vacuum, allowing it to suck up organic material and invertebrates from the substrate without tilting its body.

能力

Environmental Resilience

Possesses an exceptional tolerance for low oxygen levels, high turbidity, siltation, and moderate levels of chemical pollution.

能力

Nuptial Tubercle Defense

During breeding season, males grow temporary hardened bumps to help maintain physical contact with spawning females in rapid river currents.

サイズと詳細

長さ
30-50 cm
体重
0.4-2 kg
寿命
10-15 年
Top Speed
15 km/h
一度の産卵数
10000-50000
抱卵期間
8-14 日
渡りの距離
20 km

食性と食事

The White Sucker is a benthic generalist that vacuums the river or lake bed, consuming small invertebrates, algae, detritus, and plant matter.

年齢による違い: Larvae and young fry feed near the surface on plankton and small suspended micro-organisms before their mouths shift downwards to support a benthic diet.

主な食物

  • Insect larvae
  • Algae
  • Mollusks
  • Crustaceans
  • Organic detritus

採餌方法

  • Foraging

生態系とのつながり

eaten by

Walleye

Sander vitreus

Walleyes actively hunt both juvenile and adult white suckers in deep lake waters.

hunts

Midge

Chironomidae

White suckers vacuum up and consume benthic midge larvae living in stream sediments.

eaten by

Bald Eagle

Haliaeetus leucocephalus

Bald Eagles regularly scoop spawning white suckers from shallow, fast-flowing creeks.

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

White Suckerを見分けるには?

White Sucker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。

White Suckerの長さは何ですか?

30-50 cm

White Suckerの体重は何ですか?

0.4-2 kg

White Suckerの寿命は何ですか?

10-15 年

White Suckerのtop Speedは何ですか?

15 km/h

White Suckerは何を食べますか?

The White Sucker is a benthic generalist that vacuums the river or lake bed, consuming small invertebrates, algae, detritus, and plant matter.

White Suckerは通常どこに生息していますか?

Found in clear to turbid waters of small streams, large rivers, and lakes, typically associated with gravelly, sandy, or muddy bottoms.

White Suckerはどのように狩りをしますか?

Foraging

スナップマップ

ズームインしてクラスターを分割し、このオブジェクトが撮影された場所を探索しましょう。

マップを読み込み中…

最近のスナップ

新しい観察が追加されると、ここに最近のスナップが表示されます。

もっと魚類を見る