other fish

Hi guys. My betta fish looks always tired and sad . Sometimes he turns aside and usually stays at the bottom. His aquarium is 2.5 gallon. His temperature is 25-27° I don't overfeed him. And now he lives alone in the aquarium. He only gets happy when he sees me ( he become more active and look...

Hi everyone, my dwarf gourami has been alone in my tank for about 4 months, it is a 15 gallon tropical tank with plants. The reason he is alone is: I had some neon tetras and guppies, a couple died so I added two more guppies and 6 more neons (only 1 neon died but I wanted more) and that same...