FEVER – Fish have them too.

“A healthy fish is very proud, very pretty to look at,” he says. Infected fish, on the other hand, would lie at the bottom of the tank, their fins limp and bodies secreting a cloud of mucus.

In the process of that research, they noticed that sick fish would huddle around the aquarium heater – in what’s termed “Behavioural fever”. 

The heat could help them fight infection. 

Read more here – 

In Studying Sick Fish, Scientists Trace History Of Fevers  


2 thoughts on “FEVER – Fish have them too.

  1. Fish immunity like metabolic rate goes up with temperature. But microbe metabolism can go up also. Remember some human diseases formerly were treated with artificial fever. One must balance stress with heat induced immunity.


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