I believe its a Polar Bear... but I could be wrong.
Obviously somethings wrong. Something could be wrong with his swim bladder. Its what rises them and lowers them while they are swimming. It might just be that it has been overfed.
There could always be a fault in the computer itself.
get it checked, because if the ligt blinks, something is wrong.
your altnaitor is out
You need to determine what exactly is wrong with them first. That's called diagnosis. The problem is either in the light itself, or in the supply of power to the light.
Could be a vacuum leak.
There could be a sensor wire that is bad or going bad
Gamma radiation but I could easily be wrong
The word wrong itself