The term cognition is often incorrectly used to mean cognitive abilities or cognitive skills..
The best water temperature for betta fish is around 74-78 Fahrenheit, or 23-25 Celsius. Your betta will generally be fine if the water temperature is slightly out of this range (72-80 F), but 74-78 is what their natural habitat of rice paddies in Thailand and other southeast asian countries contains.lightly warmer water temperature for Betta fish (80-82 F) can be used if your betta is sick and needs to be quarantined or separated from other fish while he is being treated with medication.
Cleaning a Betta Fish Bowl. 1  1. Wash your hands with plain water. 2  2. Move the betta if the bowl is small. 3  3. Scrub the inside with a brand new sponge or cloth.  4. Remove 20% of the fish bowl 1  water. 5. Clean the outside with a different tool (optional).  6. Add the new water to the 1  bowl. 7. Return the betta to the  bowl.