Fever in Fishes.

Question
Dear Karen

Can we check and measure the Body Temperature in Fishes?.

Thanks
Prashant

Answer
This is really outside my expertise, and it is the last time I will respond to you.

http://www.lookd.com/fish/bodytemperature.html

http://marinesciencetoday.com/2015/05/15/fish-that-increase-their-body-temperatu

Obviously the experts have been able to determine the temperature of fish, but I do not know how they take it. A good guess would be rectally again.