Science

European flounder can complete whole life cycle in freshwater

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 02/11/2026, 22:10:24 UTC.

Briefings

A study published in Evolution in November 2026 reports that most flounders sampled in Lake Pulmanki, northern Finland, spent their entire lives in freshwater. This represents the first documented evidence of the species living entirely in freshwater conditions.

Key points

• Most flounders sampled in Lake Pulmanki, northern Finland, spent their entire lives in freshwater.
• This is the first evidence of the species living entirely in freshwater.

Context

The study provides the first evidence of the species living entirely in freshwater. The work is published in Evolution.

Limitations

Evidence is limited to flounders sampled in Lake Pulmanki, northern Finland. The study provides the first evidence of the species living entirely in freshwater.

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