well as the water level goes down, they will stay towards the top of the water but they have no choice to stay in the top of the tank if the water level goes down. i don't know if the wording makes sense. but you'll be fine for a water change cause the tank doesn't stay way down water level wise.
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Sarahbellum
80G:
7 African Cichlids
2 Blood Parrot Cichlids
1 African Knife
1 Common Pleco
1 Talking Catfish
29G:
9 Danios (LFS credit soon)
2 Albino Cory Cats
2 Golden Algae Eaters
1 Rubberlipped Pleco
2 Angelfish
2 Black Skirted Tetras (possible LFS credit soon)
1 Stripped Rafael Catfish
Not in a fish tank:
1 Chihuahua/Terrier Mix named Lady
1 Chihuahua named Preston
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