The fish maybe have a pregnant.
yes
sick fish loose their color they swim less they hide they stay at the corner they stay at the top or bottom of the tank
Oh, dude, anything is possible in the fish world. Like, bettas are known to be pretty chill fish, so if one decides it wants to hang out at the bottom of the tank for a bit, who are we to stop it? As long as it's not doing the fish equivalent of binge-watching Netflix down there, I'd say let it do its thing.
it looks tried and swims slow and stay on the bottom
i think that so that they could eat stuff on the bottom or release liquid or droppings
it eats other fish and stays away from its predidor
they dig around at the bottom and stay in one spot.
No. all fish need fins to swim. Or they would just stay at the bottom of the tank and die.
Yes a Betta can go to the bottom of a tank and stay there for quite some considerable time. The length of time the fish would be capable of remaining before surfacing and taking a breath of air would vary depending on various factors including temperature of the water.
The reason why the goldfish is at the bottom of a fish bowl is because it is dead. (edit) It may also be resting. Fish do this from time to time. If it doesn't swim about at all, then it's probably dead though.
Tropical fish stay at the bottom of the tank when the water is changed.Its because fishes feel a change in water, like the temperature and pH value, due to which they get stressed, so they decide to remain in corner or at the bottom of the tank, until they feel they are comfortable.
it is better to go home and weave a net than to stay on the shore and watch the fish