• Alyssa6727

Dana4701

In which aquarium, saltwater or freshwater? Where are they for you, in the water column or on the glass, rocks???

Jennifer7159

In the third photo, at the bottom - a hydra.

Breanna9982

in a marine aquarium, in the water column

Stuart

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Lauren

Jellyfish, usually in young aquariums, then disappear. Read about hydroids.

Angel2396

Yes, when I started the nano aquarium, I had such a surge of them, hundreds swimming in schools. It was beautiful, a delight! Since then, I rarely see one swim by... I miss them...