They sound like "Wrigglers" the common name for mosquito larvae.
Most creatures prefer water for swimming.
Most creatures prefer water for swimming.
Seals
the weddel seals and penguins will be swimming in the weddell sea
That would depend on how much chemicals you have in your pool.
The largest animals you might see swimming in the Weddell Sea would be whales.
Kingdom ProtistaLittle creatures swimming around in a drop of pond water are called Protists. Protists are too tiny and small to be seen with the naked eye.
ctene
Swimming creatures cold blooded lay eggs really cool
No, they are sea creatures. More specifically, shrimp are swimming decapod crustaceans. its a seafood
Sea cucumbers are creatures that can look like a vertical swimming caterpillar. Sea cucumbers generally live on the ocean floor.
If you swallow any of the water, or they bite you, then probably, yeah.