Largemouth bass
Amazing fact
A male largemouth bass builds a nest and guards the eggs and newly hatched young.
University of Michigan Animal Diversity Web
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An illustration based on the real animal.
A little discovery to share.
A male largemouth bass builds a nest and guards the eggs and newly hatched young.
THE REAL WORLD
The real Largemouth bass
- Scientific name
- Micropterus salmoides
- Japanese name
- オオクチバス
- Group
- Freshwater animals
- Order
- Centrarchiformes
- Family
- Centrarchidae
- Genus
- Micropterus
Brought in from abroad, it has spread all over Japan and is known for harming wildlife by eating it.
It is called the largemouth bass to set it apart from its close relative, the smallmouth bass.
How the Largemouth bass lives
During the day, it may rest under lily pads or in the shade. In the evening, it becomes active and feeds in shallow water. Adults eat frogs and other prey.
University of Michigan Animal Diversity WebBasic data
- Range
- Alabama, Georgia, Mississippi, and Florida
Where the Largemouth bass has been recorded

Records: GBIF.org (CC0 and CC BY 4.0 records, retrieved 2026-11-07). Map: Natural EarthSee the records on GBIF
Watch wild animals from a distance. Do not touch or feed them, and take care of the places where they live.
Names around the world
- 日本語
- オオクチバス
- 简体中文
- 大口黑鲈
- 繁體中文
- 大口黑鱸
- 한국어
- 큰입우럭
- Español
- Perca americana
- Français
- Black bass à grande bouche
- Deutsch
- Forellenbarsch
- Português (Brasil)
- Achigã
- Italiano
- Persico trota
- العربية
- بلكبس
- Bahasa Indonesia
- Ikan kakap hitam
- Tiếng Việt
- Cá vược miệng rộng
- Русский
- Большеротый окунь
Names come from Wikidata and iNaturalist records. Where a language has no recorded name, we use the scientific name.
Sources and how we check
- 鳥羽水族館 — オオクチバスChecked: 2026-11-04
- University of Michigan Animal Diversity Web — Micropterus salmoidesChecked: 2026-11-05
We check each fact against its source. The illustrations simplify how the real animal looks.
The classification (class, order, family, genus) follows Wikidata records, checked against GBIF. Classifications can change as research goes on.
The basic data are the values given in each source. They vary with how the animal is measured, whether it is male or female, and whether it lives in the wild or in captivity.
This page was translated from the original Japanese with the help of AI.
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