Freshwater sponges,spongilla lacustris

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Achigan à petite bouche, Micropterus dolomieu, Smallmouth bass; Amphiporus, Amphiporus angulatus, Chevron Amphiporus; Anémone marbrée, Stomphia coccinea, Swimming Anemone; Anémone plumeuse, Metridium senile, Frilled Anemone; Anémone rouge du Nord, Urticina felina, Northern Red Anemone; Buccin commun; Capelan, Mallotus villosus, Capelin; Caprelle.
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Freshwater sponges,spongilla lacustris

Topic Zone - Wildlife and flora

Many of us are surprise to learn our freshwater lakes and rivers hosts sponges. Sponges are not only found in ocean. St. Laurence river got a lot of it. Wrecks located in St. Laurence river form a perfect substrate for sponges development which filters water.

Sponges on a St. Laurence wreck, Ontario.

We can easily see those sponges on the current exposed side of those wrecks.