Do Tetras Ever Sleep?


I have about a dozen tetras in a 45 gal planted aquarium for over 3 years now and I have never seen any of them sleep, never! Day and night the little ones swim around and I’ve even slept on the couch in the same room at night and sneak up on them and still they are not asleep. Obviously they must be getting some rest sometime but I certainly don’t see it. Every other fish in the aquarium sleep except the tetras. Has anyone else experience this?


I tell you its crazy! My minnows never sleep at night always swimming and exploring. Ive seen my guppys take naps near the surface and the gouramis always sleep in the caves. It make no sense.

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