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River bulrush (Bolboschoenus fluviatilis subsp. yagara) flowers in the marsh in Aomori, Japan.
Isotoma fluviatilis blooming with small flowers and its green leaves in spring
The European perch (Perca fluviatilis) common perch, redfin perch, big-scaled redfin, Hatch on the black background
Freshwater fish isolated on white background. This fish known as the common, redfin, big-scaled, Eurasian or European perch is a predatory species of perch, type species: Perca fluviatilis.
The European perch (Perca fluviatilis) common perch, redfin perch, big-scaled redfin, Hatch, poor man’s rockfish in the underwater habitat

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