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Hidrobiologija 6 - Raka Web

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Unio pictorium<br />

Razdeo: Mollusca<br />

Klasa: Bivalvia<br />

Red: Unionida<br />

Fam: Unionidae<br />

Morfološke karakteristike: ljušture su izdužene, više<br />

pravougaonog oblika, proširene na prednjem a pljosnate i tupe<br />

na zadnjem kraju. Dužina ljušture je do 140 mm, visina do 60<br />

mm, širina 32 mm<br />

Značaj: uobičajene su u sporim rekama sa tvrđom vodom

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