In all probability it is either dead or dying. I guess you must have either done something wrong or neglected to do something right. The basic rules for keeping fish alive and healthy are as follows. :- 1 inch of fish needs a minimum of 1 gallon of water. :- Every fish tank needs a permanently running cycled filter. :- Every fish tank needs to have a minimum of 50% of its water replaced every week. Failure to follow any of the above rules will inevitably lead to fish getting sick and dying. Compliance with the above rules will give your fish a chance to live and be healthy.
because it cannot get out to lay them in the corner
It's sick and/or dying.
Your betta fish may be laying on its side at the bottom of the tank due to stress, illness, or poor water quality. It is important to monitor the water parameters, ensure proper tank conditions, and seek advice from a veterinarian specializing in fish if the behavior persists.
If she suddenly dashes from the bottom to another place, and then drops back to the bottom of the tank, and continues to dash from place to place, in all probability she is giving birth.
He jizzed on himself.
Its probably sleeping.
Siamese fighting fish lay on the bottom of the tank because they try to play dead
put a mirror in front of the tank if the fish bloats out its gills its a boy.
Take them out and add what you forgot most of the time is water solution
A betta fish laying on its side at the bottom of the tank could be a sign of illness or stress. It may be experiencing swim bladder issues, which can be caused by overfeeding, poor water quality, or other health problems. It's important to monitor your fish closely and consider consulting a veterinarian or a knowledgeable fish expert for proper diagnosis and treatment.
It cold be time to get a new fish. I'm sorry for your loss
A betta fish may lay on its side at the bottom of the tank due to stress, illness, or poor water quality. It is important to monitor the fish's behavior and water conditions to determine the cause and take appropriate action to help the fish recover.