I gave my fish a aspirin and he seemed OK. Just kidding you will have to give more detail. How so was he damaged? If it was something like being crushed make sure he is not being picked on so he can heal. If there is bacteria it totally depends.
It is obviously internal and in front of the fishes anus. +_+
They eat fishes!
basically all the fishes will die soon
The vast majority are externally fertilizer although there are exceptions eg. the spiney dogfish.
Acid rain causes death of fishes in rivers, lakes, etc.
Boom will enhance the sound from the MacBook's speakers and will not damage them.
The puffer fish wouldnt be a good fish to keep with a smaller fish, and sharks are very harmful nowadays for fishes, Fishes try to avoid sharks, but some just cant. Fishes also hate jellyfishes... Anything else that, could bring damage or potientially kill or purposely hurt the fish badly, can make it harmful for fishes.. Another enemy would be the Pirana. atleast, about 32,000 or 300 in total are eatig by pirana's in different lakes and countries.
Due to the high internal temperature of heat stroke, permanent damage to internal organs is possible.
internal parts will damage they will collapse
The 1.8L is not an interference engine, so you should not have internal damage. The 2.0L is an interference engine. Internal engine damage is likely.
To protect the internal organs (such as the hearth and lungs) from damage.
On an interference engine the pistons can hit the valves. That will cause severe internal engine damage.