The courting among CO2 concentration and fish population can vary depending at the unique and surroundings. In some instances, high CO2 concentrations could have a negative effect on fish populations by affecting their breathing and metabolic features. However, in other cases, positive species of fish may additionally virtually thrive in environments with elevated CO2 tiers. It is essential to don't forget the precise context and variables worried whilst figuring out the connection among CO2 awareness and fish populations.